{"id":1091261,"date":"2025-01-08T14:09:57","date_gmt":"2025-01-08T06:09:57","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1091261.html"},"modified":"2025-01-08T14:10:00","modified_gmt":"2025-01-08T06:10:00","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%b0%86%e5%ad%97%e5%85%b8%e4%b8%ad%e9%94%ae%e8%b0%83%e6%8d%a2-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1091261.html","title":{"rendered":"Python\u4e2d\u5982\u4f55\u5c06\u5b57\u5178\u4e2d\u952e\u8c03\u6362"},"content":{"rendered":"

\"Python\u4e2d\u5982\u4f55\u5c06\u5b57\u5178\u4e2d\u952e\u8c03\u6362\"<\/p>\n

\u5728Python\u4e2d\uff0c\u8981\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u8c03\u6362\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u5229\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528for\u5faa\u73af\u3001\u501f\u52a9zip\u51fd\u6570<\/strong>\u3002\u5176\u4e2d\uff0c\u5b57\u5178\u63a8\u5bfc\u5f0f<\/strong>\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\uff0c\u5b83\u901a\u8fc7\u4e00\u4e2a\u8868\u8fbe\u5f0f\u6765\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f<\/p>\n<\/p>\n

\u5b57\u5178\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u975e\u5e38\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u65b0\u7684\u5b57\u5178\u3002\u901a\u8fc7\u5b57\u5178\u63a8\u5bfc\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u8fdb\u884c\u8c03\u6362\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n

original_dict = {'a': 1, 'b': 2, 'c': 3}<\/p>\n
inverted_dict = {v: k for k, v in original_dict.items()}<\/p>\n
print(inverted_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u5b57\u5178\u63a8\u5bfc\u5f0f\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u5178\uff0c\u5176\u4e2doriginal_dict<\/code>\u7684\u952e\u548c\u503c\u88ab\u8c03\u6362\u4e86\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528for\u5faa\u73af<\/p>\n<\/p>\n
\u867d\u7136\u5b57\u5178\u63a8\u5bfc\u5f0f\u975e\u5e38\u7b80\u6d01\uff0c\u4f46\u6709\u65f6\u4e3a\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u9009\u62e9\u4f7f\u7528for\u5faa\u73af\u6765\u5b9e\u73b0\u5b57\u5178\u952e\u503c\u5bf9\u7684\u8c03\u6362\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528for\u5faa\u73af\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
original_dict = {'a': 1, 'b': 2, 'c': 3}<\/p>\n
inverted_dict = {}<\/p>\n
for k, v in original_dict.items():<\/p>\n
    inverted_dict[v] = k<\/p>\n
print(inverted_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7a7a\u7684\u5b57\u5178inverted_dict<\/code>\uff0c\u7136\u540e\u901a\u8fc7\u904d\u5386original_dict<\/code>\u4e2d\u7684\u952e\u503c\u5bf9\uff0c\u5c06\u5176\u952e\u548c\u503c\u8c03\u6362\u540e\u653e\u5165inverted_dict<\/code>\u4e2d\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u501f\u52a9zip\u51fd\u6570<\/p>\n<\/p>\n
zip<\/code>\u51fd\u6570\u80fd\u591f\u5c06\u4e24\u4e2a\u5217\u8868\u6216\u53ef\u8fed\u4ee3\u5bf9\u8c61\u201c\u6253\u5305\u201d\u6210\u4e00\u4e2a\u65b0\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u5b57\u5178\u952e\u503c\u5bf9\u7684\u8c03\u6362\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
original_dict = {'a': 1, 'b': 2, 'c': 3}<\/p>\n
keys = original_dict.keys()<\/p>\n
values = original_dict.values()<\/p>\n
inverted_dict = dict(zip(values, keys))<\/p>\n
print(inverted_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u63d0\u53d6\u51faoriginal_dict<\/code>\u7684\u952e\u548c\u503c\uff0c\u7136\u540e\u4f7f\u7528zip<\/code>\u51fd\u6570\u5c06\u5b83\u4eec\u7ec4\u5408\u6210\u4e00\u4e2a\u65b0\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u6700\u540e\u5c06\u5176\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5904\u7406\u91cd\u590d\u7684\u503c<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5b57\u5178\u4e2d\u7684\u503c\u53ef\u80fd\u4f1a\u6709\u91cd\u590d\u7684\u60c5\u51b5\uff0c\u5982\u679c\u76f4\u63a5\u8c03\u6362\u952e\u548c\u503c\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\u56e0\u6b64\uff0c\u5728\u5904\u7406\u91cd\u590d\u503c\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u91cd\u590d\u7684\u503c\u5bf9\u5e94\u7684\u952e\u653e\u5165\u4e00\u4e2a\u5217\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5904\u7406\u91cd\u590d\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
original_dict = {'a': 1, 'b': 2, 'c': 1}<\/p>\n
inverted_dict = {}<\/p>\n
for k, v in original_dict.items():<\/p>\n
    if v in inverted_dict:<\/p>\n
        inverted_dict[v].append(k)<\/p>\n
    else:<\/p>\n
        inverted_dict[v] = [k]<\/p>\n
print(inverted_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5982\u679coriginal_dict<\/code>\u4e2d\u7684\u503c\u5728inverted_dict<\/code>\u4e2d\u5df2\u7ecf\u5b58\u5728\uff0c\u6211\u4eec\u5c31\u5c06\u5bf9\u5e94\u7684\u952e\u8ffd\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u5426\u5219\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528collections.defaultdict<\/p>\n<\/p>\n
\u4e3a\u4e86\u7b80\u5316\u5904\u7406\u91cd\u590d\u503c\u7684\u60c5\u51b5\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528collections.defaultdict<\/code>\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u5728\u8bbf\u95ee\u5b57\u5178\u4e2d\u4e0d\u5b58\u5728\u7684\u952e\u65f6\uff0c\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u9ed8\u8ba4\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
from collections import defaultdict<\/p>\n
original_dict = {'a': 1, 'b': 2, 'c': 1}<\/p>\n
inverted_dict = defaultdict(list)<\/p>\n
for k, v in original_dict.items():<\/p>\n
    inverted_dict[v].append(k)<\/p>\n
print(dict(inverted_dict))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528defaultdict(list)<\/code>\u521b\u5efa\u4e86\u4e00\u4e2a\u9ed8\u8ba4\u503c\u4e3a\u5217\u8868\u7684\u5b57\u5178\uff0c\u8fd9\u6837\u5f53\u6211\u4eec\u8bbf\u95ee\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u952e\u65f6\uff0c\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u516d\u3001\u6027\u80fd\u6bd4\u8f83<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u6765\u8c03\u6362\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\uff0c\u53ef\u80fd\u4e0d\u4ec5\u4ec5\u53d6\u51b3\u4e8e\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u8fd8\u9700\u8981\u8003\u8651\u6027\u80fd\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u6027\u80fd\u6d4b\u8bd5\uff0c\u6bd4\u8f83\u4e0a\u8ff0\u51e0\u79cd\u65b9\u6cd5\u7684\u6548\u7387\u3002<\/p>\n<\/p>\n
import timeit<\/p>\n
setup_code = '''<\/p>\n
original_dict = {str(i): i for i in range(10000)}<\/p>\n
'''<\/p>\n
dict_comprehension_code = '''<\/p>\n
inverted_dict = {v: k for k, v in original_dict.items()}<\/p>\n
'''<\/p>\n
for_loop_code = '''<\/p>\n
inverted_dict = {}<\/p>\n
for k, v in original_dict.items():<\/p>\n
    inverted_dict[v] = k<\/p>\n
'''<\/p>\n
zip_function_code = '''<\/p>\n
keys = original_dict.keys()<\/p>\n
values = original_dict.values()<\/p>\n
inverted_dict = dict(zip(values, keys))<\/p>\n
'''<\/p>\n
defaultdict_code = '''<\/p>\n
from collections import defaultdict<\/p>\n
inverted_dict = defaultdict(list)<\/p>\n
for k, v in original_dict.items():<\/p>\n
    inverted_dict[v].append(k)<\/p>\n
'''<\/p>\n
print("Dict Comprehension:", timeit.timeit(stmt=dict_comprehension_code, setup=setup_code, number=1000))<\/p>\n
print("For Loop:", timeit.timeit(stmt=for_loop_code, setup=setup_code, number=1000))<\/p>\n
print("Zip Function:", timeit.timeit(stmt=zip_function_code, setup=setup_code, number=1000))<\/p>\n
print("Defaultdict:", timeit.timeit(stmt=defaultdict_code, setup=setup_code, number=1000))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u6027\u80fd\u6d4b\u8bd5\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4e0d\u540c\u65b9\u6cd5\u5728\u5904\u7406\u76f8\u540c\u89c4\u6a21\u6570\u636e\u65f6\u7684\u6548\u7387\u5dee\u5f02\uff0c\u4ece\u800c\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5e94\u7528\u573a\u666f<\/p>\n<\/p>\n
\u8c03\u6362\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u6709\u5f88\u591a\u5e94\u7528\u573a\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    \n
  1. \n
    \u6570\u636e\u53cd\u5411\u67e5\u627e<\/strong>\uff1a\u6709\u65f6\u6211\u4eec\u9700\u8981\u6839\u636e\u503c\u6765\u67e5\u627e\u5bf9\u5e94\u7684\u952e\uff0c\u8fd9\u65f6\u53ef\u4ee5\u901a\u8fc7\u8c03\u6362\u952e\u503c\u5bf9\u6765\u5b9e\u73b0\u5feb\u901f\u67e5\u627e\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u6570\u636e\u5206\u7ec4<\/strong>\uff1a\u5728\u6570\u636e\u5904\u7406\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5c06\u76f8\u540c\u503c\u7684\u6570\u636e\u5206\u7ec4\uff0c\u8fd9\u65f6\u53ef\u4ee5\u901a\u8fc7\u8c03\u6362\u952e\u503c\u5bf9\uff0c\u5c06\u76f8\u540c\u503c\u5bf9\u5e94\u7684\u952e\u653e\u5165\u4e00\u4e2a\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n<\/li>\n
  3. \n
    \u6570\u636e\u53bb\u91cd<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u53bb\u91cd\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6362\u952e\u503c\u5bf9\uff0c\u5c06\u91cd\u590d\u7684\u503c\u8fc7\u6ee4\u6389\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u516b\u3001\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
    \u5728\u8c03\u6362\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n
      \n
    1. \n
      \u503c\u7684\u552f\u4e00\u6027<\/strong>\uff1a\u5982\u679c\u5b57\u5178\u4e2d\u7684\u503c\u4e0d\u662f\u552f\u4e00\u7684\uff0c\u8c03\u6362\u952e\u503c\u5bf9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u6216\u8986\u76d6\u3002\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5904\u7406\u91cd\u590d\u503c\u3002<\/p>\n<\/p>\n<\/li>\n
    2. \n
      \u952e\u7684\u53ef\u54c8\u5e0c\u6027<\/strong>\uff1a\u5b57\u5178\u7684\u952e\u5fc5\u987b\u662f\u53ef\u54c8\u5e0c\u7684\u5bf9\u8c61\uff0c\u56e0\u6b64\u5728\u8c03\u6362\u952e\u503c\u5bf9\u65f6\uff0c\u786e\u4fdd\u503c\u4e5f\u5fc5\u987b\u662f\u53ef\u54c8\u5e0c\u7684\u3002<\/p>\n<\/p>\n<\/li>\n
    3. \n
      \u6027\u80fd\u8003\u8651<\/strong>\uff1a\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u8c03\u6362\u952e\u503c\u5bf9\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      \u603b\u7ed3<\/p>\n<\/p>\n
      \u5728Python\u4e2d\uff0c\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u8c03\u6362\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u5b57\u5178\u63a8\u5bfc\u5f0f\u3001for\u5faa\u73af\u3001zip\u51fd\u6570\u548ccollections.defaultdict\u7b49\u3002\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u3001\u53ef\u8bfb\u6027\u3001\u6027\u80fd\u4ee5\u53ca\u5177\u4f53\u5e94\u7528\u573a\u666f\u3002\u5728\u5904\u7406\u91cd\u590d\u503c\u65f6\uff0c\u53ef\u4ee5\u5c06\u91cd\u590d\u7684\u503c\u5bf9\u5e94\u7684\u952e\u653e\u5165\u4e00\u4e2a\u5217\u8868\u4e2d\uff0c\u907f\u514d\u6570\u636e\u4e22\u5931\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u8c03\u6362\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n
      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
       \u5982\u4f55\u5728Python\u5b57\u5178\u4e2d\u4ea4\u6362\u952e\u7684\u503c\uff1f<\/strong>
      \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u5178\u6765\u4ea4\u6362\u5b57\u5178\u4e2d\u4e24\u4e2a\u952e\u7684\u503c\u3002\u9996\u5148\uff0c\u83b7\u53d6\u8981\u4ea4\u6362\u7684\u4e24\u4e2a\u952e\u7684\u503c\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u8d4b\u503c\u5230\u5bf9\u65b9\u7684\u952e\u4e0a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5b57\u5178 my_dict = {'a': 1, 'b': 2}<\/code>\uff0c\u8981\u4ea4\u6362\u952e 'a' \u548c 'b' \u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
      temp = my_dict['a']\nmy_dict['a'] = my_dict['b']\nmy_dict['b'] = temp\n<\/code><\/pre>\n
      \u8fd9\u6837\uff0c'a' \u7684\u503c\u53d8\u6210\u4e862\uff0c'b' \u7684\u503c\u53d8\u6210\u4e861\u3002<\/p>\n
      \u5728\u5b57\u5178\u4e2d\u4ea4\u6362\u591a\u4e2a\u952e\u7684\u503c\u662f\u5426\u53ef\u884c\uff1f<\/strong>
      \u786e\u5b9e\u53ef\u4ee5\u5728Python\u5b57\u5178\u4e2d\u540c\u65f6\u4ea4\u6362\u591a\u4e2a\u952e\u7684\u503c\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e34\u65f6\u53d8\u91cf\u6765\u5b58\u50a8\u6bcf\u4e2a\u952e\u7684\u503c\uff0c\u7136\u540e\u4e00\u6b21\u6027\u8d4b\u503c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u4ea4\u6362\u952e 'a'\u3001'b' \u548c 'c' \u7684\u503c\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
      temp_a = my_dict['a']\ntemp_b = my_dict['b']\nmy_dict['a'] = my_dict['c']\nmy_dict['b'] = temp_a\nmy_dict['c'] = temp_b\n<\/code><\/pre>\n
      \u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7075\u6d3b\u5730\u5904\u7406\u591a\u4e2a\u952e\u7684\u503c\u4ea4\u6362\u3002<\/p>\n
      \u5728\u5b57\u5178\u4e2d\u662f\u5426\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u952e\u540d\uff1f<\/strong>
      \u5728Python\u4e2d\uff0c\u5b57\u5178\u7684\u952e\u540d\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u56e0\u6b64\u4e0d\u80fd\u76f4\u63a5\u4fee\u6539\u73b0\u6709\u7684\u952e\u540d\u3002\u5982\u679c\u9700\u8981\u201c\u4fee\u6539\u201d\u952e\u540d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u952e\u5e76\u5c06\u65e7\u952e\u7684\u503c\u8d4b\u7ed9\u65b0\u952e\uff0c\u7136\u540e\u5220\u9664\u65e7\u952e\u3002\u4f8b\u5982\uff0c\u60f3\u5c06\u952e 'a' \u6539\u4e3a 'x'\uff0c\u53ef\u4ee5\u8fd9\u6837\u5b9e\u73b0\uff1a<\/p>\n
      my_dict['x'] = my_dict.pop('a')\n<\/code><\/pre>\n
      \u4f7f\u7528 pop()<\/code> \u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u83b7\u53d6\u5e76\u5220\u9664\u65e7\u952e\u7684\u503c\uff0c\u8fd8\u80fd\u4e3a\u65b0\u952e\u8d4b\u503c\u3002\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u5b9e\u73b0\u952e\u540d\u7684\u201c\u4fee\u6539\u201d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8981\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u8c03\u6362\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u5229\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528for\u5faa\u73af\u3001\u501f\u52a9zip\u51fd\u6570\u3002\u5176\u4e2d\uff0c […]","protected":false},"author":3,"featured_media":1091268,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1091261"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1091261"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1091261\/revisions"}],"predecessor-version":[{"id":1091271,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1091261\/revisions\/1091271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1091268"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1091261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1091261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1091261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}