{"id":6,"date":"2026-03-22T15:03:38","date_gmt":"2026-03-22T07:03:38","guid":{"rendered":"https:\/\/qzdd.net\/?p=6"},"modified":"2026-03-22T15:17:35","modified_gmt":"2026-03-22T07:17:35","slug":"python%e5%88%97%e8%a1%a8%e6%8e%a8%e5%af%bc%e5%bc%8f%e7%9a%84%e9%ab%98%e7%ba%a7%e7%94%a8%e6%b3%95%e4%b8%8e%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.qzdd.net\/?p=6","title":{"rendered":"Python\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u9ad8\u7ea7\u7528\u6cd5\u4e0e\u6027\u80fd\u4f18\u5316"},"content":{"rendered":"

Python\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u9ad8\u7ea7\u7528\u6cd5\u4e0e\u6027\u80fd\u4f18\u5316<\/h1>\n

\u53d1\u5e03\u65e5\u671f\uff1a2026-03-22<\/em><\/p>\n

\u4e00\u3001\u6982\u8ff0<\/h2>\n

\u5217\u8868\u63a8\u5bfc\u5f0f\uff08List Comprehension\uff09\u662fPython\u4e2d\u6700\u5177\u7279\u8272\u7684\u8bed\u6cd5\u7279\u6027\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u7528\u975e\u5e38\u7b80\u6d01\u7684\u8bed\u6cd5\u521b\u5efa\u548c\u8f6c\u6362\u5217\u8868\uff0c\u76f8\u6bd4\u4f20\u7edf\u7684for\u5faa\u73af\u5199\u6cd5\uff0c\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u6613\u8bfb\uff0c\u540c\u65f6\u6027\u80fd\u4e5f\u66f4\u4f18\u3002\u672c\u6587\u5c06\u4ece\u57fa\u7840\u7528\u6cd5\u5230\u9ad8\u7ea7\u6280\u5de7\uff0c\u5168\u9762\u8bb2\u89e3\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u4f7f\u7528\uff0c\u4ee5\u53ca\u5982\u4f55\u8fdb\u884c\u6027\u80fd\u4f18\u5316\u3002<\/p>\n

\u4e8c\u3001\u6838\u5fc3\u77e5\u8bc6\u70b9<\/h2>\n

1. \u57fa\u7840\u6982\u5ff5\u4e0e\u8bed\u6cd5<\/h3>\n

\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u57fa\u672c\u8bed\u6cd5\u7ed3\u6784\u662f\uff1a[\u8868\u8fbe\u5f0f for \u53d8\u91cf in \u53ef\u8fed\u4ee3\u5bf9\u8c61]<\/code>\uff0c\u5b83\u7b49\u4ef7\u4e8e\u4f20\u7edf\u7684for\u5faa\u73af+append\u5199\u6cd5\uff1a<\/p>\n

\n# \u4f20\u7edf\u5199\u6cd5\nresult = []\nfor i in range(10):\n    result.append(i * 2)\n\n# \u5217\u8868\u63a8\u5bfc\u5f0f\u5199\u6cd5\nresult = [i * 2 for i in range(10)]\n<\/code><\/pre>\n
\u4e24\u79cd\u5199\u6cd5\u5f97\u5230\u7684\u7ed3\u679c\u5b8c\u5168\u76f8\u540c\uff0c\u4f46\u5217\u8868\u63a8\u5bfc\u5f0f\u660e\u663e\u66f4\u52a0\u7b80\u6d01\uff0c\u4ee3\u7801\u884c\u6570\u51cf\u5c11\u4e86\u4e00\u534a\u4ee5\u4e0a\u3002<\/p>\n
2. \u5e26\u6761\u4ef6\u7b5b\u9009\u7684\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n
\u6211\u4eec\u53ef\u4ee5\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u6dfb\u52a0if\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\uff0c\u53ea\u4fdd\u7559\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\uff1a<\/p>\n
\n# \u7b5b\u9009\u51fa0-9\u4e2d\u7684\u5076\u6570\neven_numbers = [i for i in range(10) if i % 2 == 0]\n# \u7ed3\u679c: [0, 2, 4, 6, 8]\n\n# \u591a\u91cd\u6761\u4ef6\u7b5b\u9009\nnumbers = [i for i in range(100) if i % 2 == 0 if i % 3 == 0]\n# \u7ed3\u679c: \u540c\u65f6\u88ab2\u548c3\u6574\u9664\u7684\u6570\n<\/code><\/pre>\n
\u8fd8\u53ef\u4ee5\u4f7f\u7528if-else\u7ed3\u6784\u5b9e\u73b0\u6761\u4ef6\u8f6c\u6362\uff1a<\/p>\n
\n# \u5076\u6570\u4fdd\u7559\uff0c\u5947\u6570\u66ff\u6362\u4e3a-1\nresult = [i if i % 2 == 0 else -1 for i in range(10)]\n# \u7ed3\u679c: [0, -1, 2, -1, 4, -1, 6, -1, 8, -1]\n<\/code><\/pre>\n
3. \u5d4c\u5957\u5faa\u73af\u7684\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u652f\u6301\u591a\u5c42\u5d4c\u5957\u5faa\u73af\uff0c\u53ef\u4ee5\u7528\u6765\u6241\u5e73\u5316\u5d4c\u5957\u5217\u8868\uff1a<\/p>\n
\n# \u5d4c\u5957\u5217\u8868\u6241\u5e73\u5316\nmatrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]\nflat_list = [num for row in matrix for num in row]\n# \u7ed3\u679c: [1, 2, 3, 4, 5, 6, 7, 8, 9]\n\n# \u7b49\u4ef7\u4e8e\u4f20\u7edf\u5199\u6cd5\uff1a\nflat_list = []\nfor row in matrix:\n    for num in row:\n        flat_list.append(num)\n<\/code><\/pre>\n
4. \u6027\u80fd\u4f18\u5316\u6280\u5de7<\/h3>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u4e4b\u6240\u4ee5\u6bd4\u4f20\u7edffor\u5faa\u73af\u5feb\uff0c\u662f\u56e0\u4e3a\u5b83\u5728\u5e95\u5c42\u662fC\u8bed\u8a00\u5b9e\u73b0\u7684\uff0c\u907f\u514d\u4e86Python\u5c42\u9762\u7684\u591a\u6b21\u51fd\u6570\u8c03\u7528\u5f00\u9500\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u6027\u80fd\u4f18\u5316\u7684\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n
    \n
  • \u907f\u514d\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u8c03\u7528\u590d\u6742\u51fd\u6570<\/strong>\uff1a\u5982\u679c\u8868\u8fbe\u5f0f\u90e8\u5206\u9700\u8981\u590d\u6742\u8ba1\u7b97\uff0c\u5efa\u8bae\u63d0\u524d\u9884\u5904\u7406\uff0c\u907f\u514d\u6bcf\u6b21\u8fed\u4ee3\u90fd\u91cd\u590d\u8ba1\u7b97<\/li>\n
  • \u4f18\u5148\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/strong>\uff1a\u6bd4\u5982sum()\u3001max()\u3001min()\u7b49\u5185\u7f6e\u51fd\u6570\u6bd4\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u624b\u52a8\u8ba1\u7b97\u6027\u80fd\u66f4\u597d<\/li>\n
  • \u5927\u6570\u636e\u91cf\u8003\u8651\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/strong>\uff1a\u5982\u679c\u5904\u7406\u7684\u662f\u767e\u4e07\u7ea7\u4ee5\u4e0a\u7684\u6570\u636e\uff0c\u4f7f\u7528\u5706\u62ec\u53f7\u4ee3\u66ff\u65b9\u62ec\u53f7\uff0c\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u4e0d\u4f1a\u4e00\u6b21\u6027\u52a0\u8f7d\u6240\u6709\u6570\u636e\u5230\u5185\u5b58\uff0c\u5185\u5b58\u5360\u7528\u66f4\u4f18\uff1a(i * 2 for i in range(1000000))<\/code><\/li>\n<\/ul>\n
    \u4e09\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h2>\n
      \n
    1. \u4e0d\u8981\u8fc7\u5ea6\u5d4c\u5957<\/strong>\uff1a\u8d85\u8fc7\u4e24\u5c42\u5d4c\u5957\u7684\u5217\u8868\u63a8\u5bfc\u5f0f\u4f1a\u53d8\u5f97\u5f88\u96be\u9605\u8bfb\uff0c\u8fd9\u65f6\u5019\u5efa\u8bae\u4f7f\u7528\u4f20\u7edf\u7684for\u5faa\u73af\u5199\u6cd5\uff0c\u53ef\u8bfb\u6027\u66f4\u91cd\u8981<\/li>\n
    2. \u907f\u514d\u526f\u4f5c\u7528<\/strong>\uff1a\u4e0d\u8981\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u6216\u8005\u6267\u884cIO\u64cd\u4f5c\uff0c\u4fdd\u6301\u8868\u8fbe\u5f0f\u7684\u7eaf\u7cb9\u6027<\/li>\n
    3. \u5408\u7406\u4f7f\u7528\u62ec\u53f7<\/strong>\uff1a\u590d\u6742\u7684\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u9002\u5f53\u6362\u884c\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027<\/li>\n<\/ol>\n
      \u56db\u3001\u603b\u7ed3<\/h2>\n
      \u5217\u8868\u63a8\u5bfc\u5f0f\u662fPython\u4e2d\u975e\u5e38\u5f3a\u5927\u7684\u8bed\u6cd5\u7279\u6027\uff0c\u5408\u7406\u4f7f\u7528\u53ef\u4ee5\u8ba9\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u9ad8\u6548\u3002\u4f46\u6211\u4eec\u4e5f\u8981\u6ce8\u610f\u5e73\u8861\u7b80\u6d01\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u4e0d\u8981\u4e3a\u4e86\u8ffd\u6c42\u4e00\u884c\u4ee3\u7801\u800c\u5199\u51fa\u96be\u4ee5\u7ef4\u62a4\u7684\u590d\u6742\u63a8\u5bfc\u5f0f\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5bf9\u4e8e\u7b80\u5355\u7684\u5217\u8868\u8f6c\u6362\u548c\u7b5b\u9009\uff0c\u4f18\u5148\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\uff1b\u5bf9\u4e8e\u590d\u6742\u7684\u903b\u8f91\uff0c\u8fd8\u662f\u4f7f\u7528\u4f20\u7edf\u7684for\u5faa\u73af\u66f4\u52a0\u6e05\u6670\u3002<\/p>\n
      \u672c\u6587\u4e3a\u539f\u521b\u6280\u672f\u603b\u7ed3\uff0c\u5982\u9700\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\uff1ahttps:\/\/qzdd.net<\/p>\n","protected":false},"excerpt":{"rendered":"
      Python\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u9ad8\u7ea7\u7528\u6cd5\u4e0e\u6027\u80fd\u4f18\u5316 \u53d1\u5e03\u65e5\u671f\uff1a2026-03-22 \u4e00\u3001\u6982\u8ff0 \u5217\u8868\u63a8\u5bfc\u5f0f\uff08List C […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[3,4,5],"class_list":["post-6","post","type-post","status-publish","format-standard","hentry","category-python","tag-python","tag-4","tag-5"],"_links":{"self":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6"}],"version-history":[{"count":2,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts\/6\/revisions"}],"predecessor-version":[{"id":8,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=\/wp\/v2\/posts\/6\/revisions\/8"}],"wp:attachment":[{"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qzdd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}