{"id":432,"date":"2025-12-05T12:23:28","date_gmt":"2025-12-05T04:23:28","guid":{"rendered":"https:\/\/cn1.club\/?p=432"},"modified":"2025-12-05T12:23:28","modified_gmt":"2025-12-05T04:23:28","slug":"python-%e5%9b%9b%e7%a7%8d%e4%b8%bb%e8%a6%81%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/cn1.club\/?p=432","title":{"rendered":"Python \u56db\u79cd\u4e3b\u8981\u6570\u636e\u7ed3\u6784\u5bf9\u6bd4"},"content":{"rendered":"\n
\u7c7b\u578b<\/th>\u8868\u793a<\/th>\u53ef\u53d8\u6027<\/th>\u6709\u5e8f\u6027<\/th>\u5143\u7d20\u8981\u6c42<\/th>\u5178\u578b\u7528\u9014<\/th><\/tr><\/thead>
\u5217\u8868<\/strong><\/td>[1, 2, 3]<\/code><\/td>\u2705 \u53ef\u53d8<\/td>\u2705 \u6709\u5e8f<\/td>\u4efb\u610f\u7c7b\u578b<\/td>\u5b58\u50a8\u6709\u5e8f\u6570\u636e\u96c6\u5408<\/td><\/tr>
\u5b57\u5178<\/strong><\/td>{'a': 1}<\/code><\/td>\u2705 \u53ef\u53d8<\/td>\u2705 \u6709\u5e8f(3.7+)<\/td>\u952e\u503c\u5bf9<\/td>\u952e\u503c\u6620\u5c04\u5173\u7cfb<\/td><\/tr>
\u5143\u7ec4<\/strong><\/td>(1, 2, 3)<\/code><\/td>\u274c \u4e0d\u53ef\u53d8<\/td>\u2705 \u6709\u5e8f<\/td>\u4efb\u610f\u7c7b\u578b<\/td>\u56fa\u5b9a\u6570\u636e\u96c6\u5408<\/td><\/tr>
\u96c6\u5408<\/strong><\/td>{1, 2, 3}<\/code><\/td>\u2705 \u53ef\u53d8<\/td>\u274c \u65e0\u5e8f<\/td>\u552f\u4e00\u4e14\u4e0d\u53ef\u53d8<\/td>\u53bb\u91cd\u3001\u6210\u5458\u6d4b\u8bd5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

\u5b57\u5178\u5217\u8868\u8be6\u89e3<\/h3>\n\n\n\n

\u5b9a\u4e49<\/strong>\uff1a\u5b57\u5178\u5217\u8868 = \u5217\u8868 + \u5b57\u5178\u5143\u7d20\u3002\u5b83\u662f\u5217\u8868<\/strong>\uff0c\u4f46\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u5b57\u5178<\/strong>\u3002<\/p>\n\n\n\n

\u683c\u5f0f\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n

# \u5b57\u5178\u5217\u8868\uff1a\u5217\u8868\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u5b57\u5178\nusers = [\n    {'name': 'Alice', 'age': 25, 'city': 'Beijing'},\n    {'name': 'Bob', 'age': 30, 'city': 'Shanghai'},\n    {'name': 'Charlie', 'age': 35, 'city': 'Guangzhou'}\n]<\/code><\/pre>\n\n\n\n
\u7279\u6027\u4e0e\u64cd\u4f5c\uff1a<\/strong><\/p>\n\n\n\n
# 1. \u8bbf\u95ee\u5143\u7d20\uff08\u5148\u5217\u8868\u7d22\u5f15\uff0c\u518d\u5b57\u5178\u952e\uff09\nfirst_user = users[0]          # \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5b57\u5178\nuser_name = users[0]['name']   # \u83b7\u53d6\u7b2c\u4e00\u4e2a\u7528\u6237\u7684\u59d3\u540d\n\n# 2. \u4fee\u6539\u5143\u7d20\nusers[1]['age'] = 31          # \u4fee\u6539Bob\u7684\u5e74\u9f84\nusers.append({'name': 'David', 'age': 28})  # \u6dfb\u52a0\u65b0\u7528\u6237\n\n# 3. \u904d\u5386\nfor user in users:\n    print(f"{user['name']} - {user['age']}\u5c81")\n\n# 4. \u6309\u5b57\u5178\u5b57\u6bb5\u6392\u5e8f\uff08\u60a8\u521a\u624d\u7528\u7684\uff09\nsorted_users = sorted(users, key=lambda x: x['age'], reverse=True)<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5982\u4f55\u533a\u5206\u4e0e\u8bc6\u522b<\/h3>\n\n\n\n
\u8bc6\u522b\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n
data1 = [1, 2, 3]                     # \u5217\u8868\uff1a\u5143\u7d20\u662f\u6570\u5b57\ndata2 = {'a': 1, 'b': 2}              # \u5b57\u5178\uff1a\u952e\u503c\u5bf9\ndata3 = [{'a': 1}, {'b': 2}]          # \u5b57\u5178\u5217\u8868\uff1a\u5217\u8868\uff0c\u5143\u7d20\u662f\u5b57\u5178\ndata4 = ('a', 'b', 'c')               # \u5143\u7ec4\uff1a\u5706\u62ec\u53f7\uff0c\u4e0d\u53ef\u53d8\ndata5 = {1, 2, 3, 3}                  # \u96c6\u5408\uff1a\u82b1\u62ec\u53f7\uff0c\u81ea\u52a8\u53bb\u91cd\uff0c\u65e0\u5e8f<\/code><\/pre>\n\n\n\n
\u5b9e\u9645\u7528\u4f8b\u5bf9\u6bd4\uff1a<\/strong><\/p>\n\n\n\n
# \u573a\u666f\uff1a\u5b58\u50a8\u7528\u6237\u4fe1\u606f\n\n# \u274c \u53ea\u7528\u5217\u8868\uff08\u4fe1\u606f\u6df7\u4e71\uff09\nusers_list = ['Alice', 25, 'Bob', 30]  # \u96be\u4ee5\u7ef4\u62a4\n\n# \u2705 \u53ea\u7528\u5b57\u5178\uff08\u5355\u4e2a\u7528\u6237\uff09\nuser_dict = {'name': 'Alice', 'age': 25, 'city': 'Beijing'}\n\n# \u2705\u2705 \u5b57\u5178\u5217\u8868\uff08\u591a\u4e2a\u7528\u6237\u7684\u6700\u4f73\u9009\u62e9\uff09\nusers_dict_list = [\n    {'name': 'Alice', 'age': 25},\n    {'name': 'Bob', 'age': 30}\n]\n\n# \u274c \u5143\u7ec4\u5217\u8868\uff08\u4e0d\u7075\u6d3b\uff09\nusers_tuple_list = [('Alice', 25), ('Bob', 30)]\n# \u8bbf\u95ee\uff1ausers_tuple_list[0][0] \u4e0d\u5982 users[0]['name'] \u6e05\u6670\n\n# \u2705 \u96c6\u5408\u7528\u4e8e\u53bb\u91cd\nunique_cities = {user['city'] for user in users_dict_list}<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5404\u7ed3\u6784\u7279\u8272\u603b\u7ed3<\/h3>\n\n\n\n
    \n
  1. \u5217\u8868<\/strong>\uff1a[]<\/code>\uff0c\u6709\u5e8f\u5e8f\u5217\uff0c\u53ef\u91cd\u590d\uff0c\u6700\u901a\u7528<\/li>\n\n\n\n
  2. \u5b57\u5178<\/strong>\uff1a{}<\/code>\uff0c\u952e\u503c\u6620\u5c04\uff0c\u5feb\u901f\u67e5\u627e<\/li>\n\n\n\n
  3. \u5143\u7ec4<\/strong>\uff1a()<\/code>\uff0c\u4e0d\u53ef\u53d8\uff0c\u4fdd\u62a4\u6570\u636e\uff0c\u4f5c\u4e3a\u5b57\u5178\u952e<\/li>\n\n\n\n
  4. \u96c6\u5408<\/strong>\uff1a{}<\/code>\uff0c\u552f\u4e00\u5143\u7d20\uff0c\u96c6\u5408\u8fd0\u7b97\uff08\u4ea4\u96c6\u3001\u5e76\u96c6\uff09<\/li>\n\n\n\n
  5. \u5b57\u5178\u5217\u8868<\/strong>\uff1a\u5217\u8868\u7684\u7075\u6d3b + \u5b57\u5178\u7684\u7ed3\u6784\u5316\uff0c\u5b8c\u7f8e\u5b58\u50a8\u540c\u6784\u8bb0\u5f55\u6570\u636e<\/strong><\/li>\n<\/ol>\n\n\n\n
    \n
    \u5b9e\u7528\u5efa\u8bae<\/strong>\uff1a\u5904\u7406JSON API\u6570\u636e\u65f6\uff0c90%\u7684\u60c5\u51b5\u4f1a\u5f97\u5230\u5b57\u5178\u5217\u8868\uff0c\u56e0\u4e3a\u5b83\u5929\u7136\u5bf9\u5e94\"\u8bb0\u5f55\u96c6\u5408\"\u7684\u6982\u5ff5\u3002<\/p>\n<\/blockquote>\n\n\n\n
    <\/p>\n","protected":false},"excerpt":{"rendered":"
    \u7c7b\u578b \u8868\u793a \u53ef\u53d8\u6027 \u6709\u5e8f\u6027 \u5143\u7d20\u8981\u6c42 \u5178\u578b\u7528\u9014 \u5217\u8868 [1, 2, 3] \u2705 \u53ef\u53d8 \u2705 \u6709\u5e8f \u4efb\u610f\u7c7b\u578b \u5b58\u50a8\u6709 […]<\/p>\n","protected":false},"author":1,"featured_media":368,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"class_list":["post-432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-xuexi"],"_links":{"self":[{"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=432"}],"version-history":[{"count":0,"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/432\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/media\/368"}],"wp:attachment":[{"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}