{"id":1678,"date":"2020-06-26T13:33:18","date_gmt":"2020-06-26T05:33:18","guid":{"rendered":"http:\/\/blog.ywdevops.cn\/?p=1678"},"modified":"2025-07-24T15:38:23","modified_gmt":"2025-07-24T07:38:23","slug":"dict","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2020\/06\/26\/dict\/","title":{"rendered":"python\u5e8f\u5217\u4e4b\u5b57\u5178"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728Python\u4e2d\u5b57\u5178\u4e0e\u5217\u8868\u7c7b\u4f3c\uff0c\u4e5f\u662f\u53ef\u53d8\u5e8f\u5217\uff0c\u4f46\u662f\u4e0e\u5217\u8868\u4e0d\u540c\uff0c\u5b83\u662f\u65e0\u5e8f\u7684\u53ef\u53d8\u5e8f\u5217\uff0c\u4fdd\u5b58\u7684\u5185\u5bb9\u662f\u4ee5\u952e-\u503c\u5bf9\u7684\u5f62\u5f0f\u5b58\u5728\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u5178\u7684\u4e3b\u8981\u7279\u5f81\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u901a\u8fc7\u952e\u6765\u8bfb\u53d6\u503c\u800c\u4e0d\u662f\u901a\u8fc7\u7d22\u5f15\uff1a\u5b57\u5178\u6709\u65f6\u5019\u4e5f\u79f0\u4e3a\u5173\u8054\u6570\u7ec4\u6216\u8005\u6563\u5217\u8868(hash),\u901a\u8fc7\u952e\u5c06\u4e00\u7cfb\u5217\u503c\u8054\u7cfb\u8d77\u6765\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u901a\u8fc7\u952e\u6765\u83b7\u53d6\u503c\u800c\u4e0d\u662f\u901a\u8fc7\u7d22\u5f15<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u5b57\u5178\u662f\u4efb\u610f\u5bf9\u8c61\u7684\u65e0\u5e8f\u96c6\u5408\uff1a\u5b57\u5178\u662f\u65e0\u5e8f\u7684\uff0c\u5404\u9879\u4ece\u5de6\u5230\u53f3\u6392\u5e8f\u662f\u968f\u673a\u7684\uff0c\u6ca1\u6709\u7279\u5b9a\u7684\u987a\u5e8f\uff0c\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u67e5\u627e\u6548\u7387<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001\u5b57\u5178\u662f\u53ef\u53d8\u7684\uff0c\u5e76\u4e14\u53ef\u4ee5\u5d4c\u5957\uff1a\u5b57\u5178\u53ef\u4ee5\u589e\u957f\u6216\u8005\u7f29\u77ed\uff0c\u5e76\u4e14\u5b83\u7684\u503c\u53ef\u4ee5\u662f\u5217\u8868\u6216\u8005\u5176\u4ed6\u5b57\u5178\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4\u3001\u5b57\u5178\u7684\u952e\u5fc5\u987b\u552f\u4e00\uff1a\u4e0d\u5141\u8bb8\u540c\u4e00\u4e2a\u952e\u51fa\u73b0\u4e24\u6b21\uff0c\u5982\u679c\u51fa\u73b0\u4e24\u6b21\uff0c\u5219\u4ee5\u540e\u4e00\u4e2a\u503c\u4e3a\u51c6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5\u3001\u5b57\u5178\u4e2d\u7684\u952e\u5fc5\u987b\u4e0d\u53ef\u53d8\uff1a\u56e0\u6b64\u5b57\u5178\u4e2d\u7684\u952e\u53ef\u4ee5\u4f7f\u7528\u6570\u5b57\u3001\u5143\u7ec4\u3001\u5b57\u7b26\u4e32\uff0c\u4f46\u662f\u4e0d\u80fd\u4f7f\u7528\u5217\u8868\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u4e00\u3001\u5b57\u5178\u7684\u521b\u5efa\u548c\u5220\u9664\uff1a<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9a\u4e49\u5b57\u5178\u7684\u65f6\u5019\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u5305\u542b\u4e24\u4e2a\u90e8\u5206&#8221;\u952e&#8221;\u548c&#8221;\u503c&#8221;\uff0c\u952e\u548c\u503c\u4e4b\u95f4\u4f7f\u7528\u9017\u53f7\u5206\u9694\uff0c\u6240\u6709\u5143\u7d20\u653e\u5728\u4e00\u5bf9{}\u4e2d\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">dictionary = {&#8216;key1&#8242;:&#8217;value1&#8242;,&#8217;key2&#8242;:&#8217;value2&#8242;,&#8217;key3&#8242;,&#8217;value3&#8217;,}<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">dictionary\u8868\u793a\u5b57\u5178\u7684\u540d\u79f0\uff0ckey1&#8230;\u8868\u793a\u5143\u7d20\u7684\u952e\uff0c\u5fc5\u987b\u552f\u4e00\u4e0d\u53ef\u53d8\uff0cvalue1&#8230;\u8868\u793a\u5143\u7d20\u7684\u503c\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u6570\u636e\u7c7b\u578b\uff0c\u503c\u4e0d\u662f\u5fc5\u987b\u552f\u4e00\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\uff0c\u5e76\u6253\u5370\u5b57\u5178\u5143\u7d20\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"83\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/24.png\" alt=\"\" class=\"wp-image-1680\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/24.png 500w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/24-300x50.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u521b\u5efa\u7a7a\u5b57\u5178\uff0c\u53ef\u4f7f\u7528\u4e0b\u9762\u4e24\u79cd\u65b9\u6cd5\u521b\u5efa\u7a7a\u5b57\u5178\uff0cdictionary = {}\u6216\u8005dictionary = dict()<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Python\u4e2d\uff0cdict()\u65b9\u6cd5\u9664\u4e86\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5df2\u6709\u6570\u636e\u5feb\u901f\u521b\u5efa\u5b57\u5178\uff0c\u4e3b\u8981\u8868\u73b0\u4e3a\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u901a\u8fc7\u6620\u5c04\u51fd\u6570\u521b\u5efa\u5b57\u5178\uff1a\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">dictionary = dict(zip(list1,list2))<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">dictionary\u8868\u793a\u5b57\u5178\u540d\uff0czip()\u51fd\u6570\u7528\u4e8e\u5c06\u591a\u4e2a\u5217\u8868\u6216\u5143\u7ec4\u4e2d\u5bf9\u5e94\u4f4d\u7f6e\u7684\u5143\u7d20\u7ed3\u5408\u4e3a\u5143\u7ec4\uff0c\u5e76\u8fd4\u56de\u5305\u542b\u8fd9\u4e9b\u5185\u5bb9\u7684zip\u5bf9\u8c61\uff0c\u5982\u679c\u60f3\u83b7\u53d6\u5143\u7ec4\uff0c\u53ef\u4ee5\u5c06zip\u5bf9\u8c61\u901a\u8fc7tuple()\u51fd\u6570\u8f6c\u6362\u4e3a\u5143\u7ec4\uff0c\u5982\u679c\u60f3\u83b7\u53d6\u5217\u8868\uff0c\u53ef\u901a\u8fc7list()\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002list1\uff0c\u4e00\u4e2a\u5217\u8868\uff0c\u6307\u5b9a\u8981\u751f\u6210\u5b57\u5178\u7684\u952e\uff0clist2\uff1a\u4e00\u4e2a\u5217\u8868\uff0c\u6307\u5b9a\u8981\u751f\u6210\u5b57\u5178\u7684\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u901a\u8fc7\u6620\u5c04\u51fd\u6570\u521b\u5efa\u5b57\u5178\uff0c\u5e76\u8f6c\u6362\u4e3a\u5143\u7ec4\u548c\u5217\u8868\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"504\" height=\"240\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/25.png\" alt=\"\" class=\"wp-image-1682\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/25.png 504w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/25-300x143.png 300w\" sizes=\"auto, (max-width: 504px) 100vw, 504px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u901a\u8fc7\u7ed9\u5b9a\u7684\u952e\u503c\u5bf9\u521b\u5efa\u5b57\u5178\uff1a\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">dictionary = dict(key1=value1,key2=value2&#8230;&#8230;.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u901a\u8fc7\u7ed9\u5b9a\u7684\u952e\u503c\u5bf9\u521b\u5efa\u5b57\u5178\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"128\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/26-1.png\" alt=\"\" class=\"wp-image-1683\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/26-1.png 502w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/26-1-300x76.png 300w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>python\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528dict()\u5bf9\u8c61\u7684fromkeys()\u65b9\u6cd5\u521b\u5efa\u952e\u503c\u4e3a\u7a7a\u7684\u5b57\u5178\uff0c\u683c\u5f0f\u5982\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">dictionary = dict.fromkeys(list1)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2ddictionary\u8868\u793a\u5b57\u5178\u540d\uff0clist1\u8868\u793a\u6307\u5b9a\u4e3a\u952e\u7684\u5217\u8868<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u521b\u5efa\u4e00\u4e2a\u53ea\u5305\u62ec\u540d\u5b57\u7684\u5b57\u5178\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"529\" height=\"139\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/10-2.png\" alt=\"\" class=\"wp-image-1685\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/10-2.png 529w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/10-2-300x79.png 300w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5df2\u7ecf\u5b58\u5728\u7684\u5143\u7ec4\u548c\u5217\u8868\u521b\u5efa\u5b57\u5178<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u521b\u5efa\u4e00\u4e2a\u4fdd\u5b58\u540d\u5b57\u7684\u5143\u7ec4\u548c\u4fdd\u5b58\u661f\u5ea7\u7684\u5217\u8868\uff0c\u901a\u8fc7\u4ed6\u4eec\u521b\u5efa\u5b57\u5178\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"496\" height=\"113\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/11-3.png\" alt=\"\" class=\"wp-image-1686\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/11-3.png 496w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/11-3-300x68.png 300w\" sizes=\"auto, (max-width: 496px) 100vw, 496px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5143\u7ec4\u4f5c\u4e3a\u5b57\u5178\u7684\u952e\uff0c\u5982\u679c\u91cd\u65b0\u521b\u5efa\u4e00\u4e2a\u4fdd\u5b58\u59d3\u540d\u7684\u5217\u8868\uff0c\u901a\u8fc7\u6b64\u5217\u8868\u518d\u6b21\u521b\u5efa\u5b57\u5178\u5c06\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3a\u5b57\u5178\u7684\u952e\u4e0d\u53ef\u4fee\u6539\uff0c\u800c\u5217\u8868\u662f\u53ef\u4ee5\u4fee\u6539\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u5217\u8868\u4ee5\u53ca\u5143\u7ec4\u4e00\u6837\uff0c\u4e0d\u4f7f\u7528\u7684\u5b57\u5178\u4e5f\u53ef\u4ee5\u901a\u8fc7del\u8bed\u53e5\u5220\u9664\uff0c\u8bed\u6cd5\u683c\u5f0f\u4e3a\uff1adel dictionary <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u60f3\u5220\u9664\u5b57\u5178\u7684\u5168\u90e8\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u5bf9\u8c61\u7684clear()\u65b9\u6cd5\u5b9e\u73b0\uff0c\u6267\u884cclear()\u65b9\u6cd5\u540e\uff0c\u539f\u5b57\u5178\u5c06\u53d8\u6210\u7a7a\u5b57\u5178\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1adictionary.clear()<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd8\u53ef\u4ee5\u901a\u8fc7pop()\u65b9\u6cd5\u5220\u9664\u6307\u5b9a\u7684\u952e\uff0c\u5e76\u8fd4\u56de\u952e\u5bf9\u5e94\u7684\u503c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"546\" height=\"134\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/12-2.png\" alt=\"\" class=\"wp-image-1687\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/12-2.png 546w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/12-2-300x74.png 300w\" sizes=\"auto, (max-width: 546px) 100vw, 546px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u5b57\u5178\u5bf9\u8c61\u7684popitem()\u65b9\u6cd5\u5220\u9664\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u88ab\u5220\u9664\u7684\u5143\u7d20\u3002\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"533\" height=\"122\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/13-2.png\" alt=\"\" class=\"wp-image-1690\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/13-2.png 533w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/13-2-300x69.png 300w\" sizes=\"auto, (max-width: 533px) 100vw, 533px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u4e8c\u3001\u901a\u8fc7\u952e\u503c\u5bf9\u8bbf\u95ee\u5b57\u5178\uff1a<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Python\u4e2d\u5982\u679c\u8981\u76f4\u63a5\u6253\u5370\u5b57\u5178\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528print()\u6253\u5370\u5373\u53ef\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u4f7f\u7528\u7684\u65f6\u5019\uff0c\u4e00\u822c\u662f\u83b7\u53d6\u6307\u5b9a\u7684\u5143\u7d20\uff0c\u6b64\u65f6\u8ddf\u5217\u8868\u4ee5\u53ca\u5143\u7ec4\u4e0d\u540c\uff0c\u4e0d\u662f\u901a\u8fc7\u7d22\u5f15\uff0c\u800c\u662f\u901a\u8fc7\u952e\u6765\u83b7\u53d6\uff0c\u4f46\u662f\u5982\u679c\u6307\u5b9a\u7684\u952e\u4e0d\u5b58\u5728\u5c31\u4f1a\u62a5\u51fa\u9519\u8bef\uff0c\u6b64\u65f6\u9700\u8981\u52a0\u4e00\u6761\u5224\u65ad\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"554\" height=\"111\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/14-2.png\" alt=\"\" class=\"wp-image-1691\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/14-2.png 554w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/14-2-300x60.png 300w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u7684if\u65b9\u6cd5\u4e0d\u5e38\u7528\uff0c<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">python\u4e2d\u63a8\u8350\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5b57\u5178\u5bf9\u8c61\u7684get()\u65b9\u6cd5\u83b7\u53d6\u6307\u5b9a\u7684\u952e\u7684\u503c<\/mark><\/strong>\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dictionary.get(key&#91;,default])<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">key\u4e3a\u6307\u5b9a\u7684\u952e\uff0cdefault\u4e3a\u53ef\u9009\u9879\uff0c\u7528\u4e8e\u5f53\u6307\u5b9a\u7684\u952e\u4e0d\u5b58\u5728\u65f6\u8fd4\u56de\u4e00\u4e2a\u9ed8\u8ba4\u503c\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u8fd9\u8fd4\u56denone<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u901a\u8fc7\u5b57\u5178\u5bf9\u8c61get()\u65b9\u6cd5\u83b7\u53d6\u6307\u5b9a\u952e\u7684\u503c\uff0c\u5e76\u8bbe\u7f6e\u5f53\u952e\u4e0d\u5b58\u5728\u65f6\u8fd4\u56de\u9ed8\u8ba4\u503c<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"494\" height=\"91\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/15-2.png\" alt=\"\" class=\"wp-image-1692\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/15-2.png 494w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/15-2-300x55.png 300w\" sizes=\"auto, (max-width: 494px) 100vw, 494px\" \/><\/figure>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">\u6ce8\uff1a\u5982\u679c\u6307\u5b9a\u7684\u952e\u53ef\u80fd\u4e0d\u5b58\u5728\uff0c\u5e94\u8be5\u8003\u8651\u4f7f\u7528get()\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u4e09\u3001\u904d\u5386\u5b57\u5178\uff1a<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u5178\u662f\u4ee5\u952e\u503c\u5bf9\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u6240\u4ee5\u9700\u8981\u901a\u8fc7\u952e\u503c\u5bf9\u8fdb\u884c\u83b7\u53d6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u5b57\u5178\u4e5f\u53ef\u4ee5\u4f7f\u7528in\u5173\u952e\u5b57\u6765\u83b7\u53d6\u952e\uff0c\u4f46\u662f\u6b64\u5173\u952e\u5b57\u53ea\u80fd\u83b7\u53d6\u952e\uff0c\u4e0d\u80fd\u83b7\u53d6\u503c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"694\" height=\"130\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/5-1.png\" alt=\"\" class=\"wp-image-15123\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/5-1.png 694w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/5-1-300x56.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/5-1-600x112.png 600w\" sizes=\"auto, (max-width: 694px) 100vw, 694px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"94\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/6-1.png\" alt=\"\" class=\"wp-image-15124\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/6-1.png 696w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/6-1-300x41.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/6-1-600x81.png 600w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u4e0b\u9762\u4f8b\u5b50\u5148\u904d\u5386\u5217\u8868\uff0c\u7136\u540e\u5224\u65ad\u5217\u8868\u4e2d\u5143\u7d20\u662f\u5426\u5728\u5b57\u5178\u4e2d\uff0c\u5982\u679c\u5728\uff0c\u6253\u5370\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"175\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/1-2.png\" alt=\"\" class=\"wp-image-15126\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/1-2.png 691w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/1-2-300x76.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/1-2-600x152.png 600w\" sizes=\"auto, (max-width: 691px) 100vw, 691px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"88\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/2-2.png\" alt=\"\" class=\"wp-image-15127\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/2-2.png 696w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/2-2-300x38.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/2-2-600x76.png 600w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001\u4f7f\u7528not in \u6765\u5224\u65ad\u5143\u7d20\u662f\u5426\u4e0d\u5728\u5b57\u5178\u4e2d\uff0c\u4fee\u6539\u4e0a\u8ff0\u4ee3\u7801\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"695\" height=\"172\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/4-2.png\" alt=\"\" class=\"wp-image-15130\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/4-2.png 695w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/4-2-300x74.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/4-2-600x148.png 600w\" sizes=\"auto, (max-width: 695px) 100vw, 695px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"693\" height=\"90\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/5-2.png\" alt=\"\" class=\"wp-image-15131\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/5-2.png 693w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/5-2-300x39.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/5-2-600x78.png 600w\" sizes=\"auto, (max-width: 693px) 100vw, 693px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4\u3001\u8fd8\u901a\u8fc7\u5b57\u5178\u5bf9\u8c61\u7684items()\u65b9\u6cd5\u53ef\u4ee5\u83b7\u53d6\u5b57\u5178\u7684\u952e\u503c\u5bf9\u5217\u8868\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1adictionary.items()\uff0c\u5982\u679c\u60f3\u8981\u83b7\u53d6\u5177\u4f53\u7684\u952e\u503c\u5bf9\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u8fdb\u884c\u83b7\u53d6\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"495\" height=\"127\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/16-3.png\" alt=\"\" class=\"wp-image-1694\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/16-3.png 495w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/16-3-300x77.png 300w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u83b7\u53d6\u7684\u662f\u5143\u7d20\u7684\u5185\u5bb9\uff0c\u5982\u679c\u60f3\u8981\u83b7\u53d6\u5177\u4f53\u7684\u6bcf\u4e2a\u952e\u548c\u6bcf\u4e2a\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"528\" height=\"123\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/17-4.png\" alt=\"\" class=\"wp-image-1695\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/17-4.png 528w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/17-4-300x70.png 300w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728python\u4e2d\u5b57\u5178\u5bf9\u8c61\u8fd8\u63d0\u4f9b\u4e86<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">values()<\/mark><\/strong>\u548c<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">keys()<\/mark><\/strong>\u65b9\u6cd5\uff0c\u7528\u4e8e\u8fd4\u56de\u5b57\u5178\u7684\u503c\u548c\u952e\u5217\u8868\uff0c\u7528\u6cd5\u548citems()\u76f8\u4f3c\uff0c\u4e5f\u9700\u8981\u901a\u8fc7for\u5faa\u73af\u6765\u8fdb\u884c\u904d\u5386\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5\u3001\u4e0b\u9762\u4f8b\u5b50\u8868\u793a\u904d\u5386\u5b57\u6bb5\uff0c\u5e76\u4f7f\u7528sorted\u65b9\u6cd5\u8fdb\u884c\u6392\u5e8f\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"694\" height=\"134\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/3-1.png\" alt=\"\" class=\"wp-image-15120\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/3-1.png 694w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/3-1-300x58.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/3-1-600x116.png 600w\" sizes=\"auto, (max-width: 694px) 100vw, 694px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff0c\u53ef\u4ee5\u770b\u5230\u5b57\u5178\u7684\u952e\u5df2\u7ecf\u8fdb\u884c\u4e86\u6392\u5e8f\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"695\" height=\"150\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/4-1.png\" alt=\"\" class=\"wp-image-15121\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/4-1.png 695w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/4-1-300x65.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/4-1-600x129.png 600w\" sizes=\"auto, (max-width: 695px) 100vw, 695px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u56db\u3001\u6dfb\u52a0\u5220\u9664\u548c\u4fee\u6539\u5b57\u5178\u5143\u7d20\uff1a<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u5411\u5b57\u5178\u4e2d\u6dfb\u52a0\u5143\u7d20<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u5178\u662f\u53ef\u53d8\u5e8f\u5217\uff0c\u56e0\u6b64\u53ef\u4ee5\u968f\u65f6\u5411\u5b57\u5178\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">dictionary[key] = value<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u901a\u8fc7\u53ef\u8fed\u4ee3\u5bf9\u8c61\u65b9\u5f0f\u521b\u5efa\u5b57\u5178\uff0c\u7136\u540e\u5411\u5b57\u5178\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"497\" height=\"144\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/29-1.png\" alt=\"\" class=\"wp-image-1697\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/29-1.png 497w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/29-1-300x87.png 300w\" sizes=\"auto, (max-width: 497px) 100vw, 497px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5370\u7ed3\u679c\u5982\u4e0b\uff1a\u53ef\u4ee5\u770b\u5230\u5b57\u5178\u4e2d\u6dfb\u52a0\u4e86\u4e00\u4e2a\u952e\u4f4dkeyy\u7684\u5143\u7d20\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"491\" height=\"107\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/30-1.png\" alt=\"\" class=\"wp-image-1699\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/30-1.png 491w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/30-1-300x65.png 300w\" sizes=\"auto, (max-width: 491px) 100vw, 491px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u6b21\u901a\u8fc7\u547d\u4ee4\u5411\u5b57\u5178\u4e2d\u6dfb\u52a0\u4e86\u4e00\u4e2a\u952e\u4e3akeyy\u7684\u5143\u7d20\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"528\" height=\"172\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/32-1.png\" alt=\"\" class=\"wp-image-1702\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/32-1.png 528w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/32-1-300x98.png 300w\" sizes=\"auto, (max-width: 528px) 100vw, 528px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6267\u884c\u6253\u5370\u540e\uff0c\u53ef\u4ee5\u770b\u5230keyy\u539f\u6765\u7684\u503c\u5df2\u7ecf\u88ab\u66ff\u6362\u4e3a\u6700\u65b0\u7684\uff0c\u76f8\u5f53\u4e8e\u4fee\u6539\u4e86\u5b57\u5178\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"536\" height=\"114\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/31-3.png\" alt=\"\" class=\"wp-image-1701\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/31-3.png 536w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/31-3-300x64.png 300w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u4f7f\u7528del\u5220\u9664\u5b57\u5178\u5143\u7d20<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5b57\u5178\u4e0d\u5728\u4f7f\u7528\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u4f7f\u7528del\u8bed\u53e5\u5c06\u5176\u5220\u9664\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1adel  dictionary\uff0c\u4e5f\u53ef\u4ee5\u5355\u72ec\u5220\u9664\u5b57\u5178\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"491\" height=\"143\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/33-2.png\" alt=\"\" class=\"wp-image-1703\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/33-2.png 491w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/33-2-300x87.png 300w\" sizes=\"auto, (max-width: 491px) 100vw, 491px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001\u4f7f\u7528pop()\u5220\u9664\u5b57\u5178\u5143\u7d20<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"195\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/9-3.png\" alt=\"\" class=\"wp-image-15273\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/9-3.png 697w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/9-3-300x84.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/9-3-600x168.png 600w\" sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"693\" height=\"68\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/10-2.png\" alt=\"\" class=\"wp-image-15274\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/10-2.png 693w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/10-2-300x29.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/10-2-600x59.png 600w\" sizes=\"auto, (max-width: 693px) 100vw, 693px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u770b\u51fa\uff0c\u5220\u9664\u5b57\u5178\u5143\u7d20\u4e4b\u524d\u5148\u8fdb\u884c\u4e86\u5224\u65ad\u5143\u7d20\u662f\u5426\u5b58\u5728\uff0c\u53ef\u4ee5\u907f\u514d\u5143\u7d20\u4e0d\u5b58\u5728\u62a5\u9519<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u4e94\u3001\u7ed9\u5b57\u5178\u8bbe\u7f6e\u9ed8\u8ba4\u503c<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u4e0b\u9762\u4f7f\u7528not in\u5224\u65ad\u5143\u7d20\u662f\u5426\u4e0d\u5728\u5b57\u5178\u4e2d\uff0c\u5982\u679c\u4e0d\u5728\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"695\" height=\"150\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/6-2.png\" alt=\"\" class=\"wp-image-15133\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/6-2.png 695w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/6-2-300x65.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/6-2-600x129.png 600w\" sizes=\"auto, (max-width: 695px) 100vw, 695px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"693\" height=\"76\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/7-1.png\" alt=\"\" class=\"wp-image-15134\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/7-1.png 693w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/7-1-300x33.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/7-1-600x66.png 600w\" sizes=\"auto, (max-width: 693px) 100vw, 693px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u9664\u4e86\u4f7f\u7528not in\u5224\u65ad\u540e\u8d4b\u503c\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u81ea\u5e26\u7684\u65b9\u6cd5setdefault\u6765\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"690\" height=\"131\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/8-1.png\" alt=\"\" class=\"wp-image-15136\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/8-1.png 690w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/8-1-300x57.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/10\/8-1-600x114.png 600w\" sizes=\"auto, (max-width: 690px) 100vw, 690px\" \/><\/figure>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1a\u5982\u679c\u5b57\u5178\u4e2d\u5df2\u7ecf\u5b58\u5728\u4e86\u6b64key\uff0c\u90a3\u4e48setdefault\u8bbe\u7f6e\u7684\u5e76\u4e0d\u4f1a\u751f\u6548<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u516d\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f\uff1a<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u5feb\u901f\u751f\u6210\u4e00\u4e2a\u5b57\u5178\uff0c\u8868\u73b0\u5f62\u5f0f\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u76f8\u4f3c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u751f\u6210\u5305\u542b\u56db\u4e2a\u968f\u673a\u6570\u7684\u5b57\u5178\uff0c\u6267\u884c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"508\" height=\"130\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/34-2.png\" alt=\"\" class=\"wp-image-1704\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/34-2.png 508w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/06\/34-2-300x77.png 300w\" sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636e\u5b57\u7b26\u4e32\u5217\u8868\u6765\u751f\u6210\u4e00\u4e2a\u5b57\u5178\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"84\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/07\/5-14.png\" alt=\"\" class=\"wp-image-18745\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/07\/5-14.png 650w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/07\/5-14-300x39.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/07\/5-14-600x78.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"648\" height=\"75\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/07\/6-14.png\" alt=\"\" class=\"wp-image-18747\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/07\/6-14.png 648w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/07\/6-14-300x35.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/07\/6-14-600x69.png 600w\" sizes=\"auto, (max-width: 648px) 100vw, 648px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9644\u4ef6\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06json\u6570\u636e\u8f6c\u6362\u4e3a\u5b57\u5178\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>json.loads(var)   #\u5176\u4e2dvar\u8868\u793ajson\u6570\u636e<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u5b57\u5178\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>json.dumps(var)  #\u5176\u4e2dvar\u8868\u793a\u5b57\u5178<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Python\u4e2d\u5b57\u5178\u4e0e\u5217\u8868\u7c7b\u4f3c\uff0c\u4e5f\u662f\u53ef\u53d8\u5e8f\u5217\uff0c\u4f46\u662f\u4e0e\u5217\u8868\u4e0d\u540c\uff0c\u5b83\u662f\u65e0\u5e8f\u7684\u53ef\u53d8\u5e8f\u5217\uff0c\u4fdd\u5b58\u7684\u5185\u5bb9\u662f\u4ee5\u952e-\u503c\u5bf9\u7684\u5f62\u5f0f [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1705,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,29],"tags":[88],"class_list":["post-1678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-yunwei","tag-dict"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1678"}],"version-history":[{"count":25,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1678\/revisions"}],"predecessor-version":[{"id":18748,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1678\/revisions\/18748"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/1705"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}