{"id":1133307,"date":"2025-01-08T21:05:12","date_gmt":"2025-01-08T13:05:12","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1133307.html"},"modified":"2025-01-08T21:05:15","modified_gmt":"2025-01-08T13:05:15","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e4%b8%80%e5%88%b0%e4%b8%80%e7%99%be%e7%9a%84%e7%b4%af%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1133307.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5230\u4e00\u767e\u7684\u7d2f\u52a0"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u5b9e\u73b0\u4e00\u5230\u4e00\u767e\u7684\u7d2f\u52a0\"<\/p>\n

\u5728Python\u4e2d\u5b9e\u73b0\u4e00\u5230\u4e00\u767e\u7684\u7d2f\u52a0\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\uff0c\u4f8b\u5982\u4f7f\u7528for\u5faa\u73af\u3001while\u5faa\u73af\u3001sum\u51fd\u6570\u7b49\u3002<\/strong> \u672c\u6587\u5c06\u91cd\u70b9\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u8be6\u7ec6\u63cf\u8ff0\u5176\u4e2d\u4e00\u79cd\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002\u901a\u8fc7\u591a\u79cd\u5b9e\u73b0\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3Python\u4e2d\u7684\u57fa\u672c\u5faa\u73af\u4e0e\u5185\u7f6e\u51fd\u6570\u3002<\/p>\n<\/p>\n

\u4e00\u3001FOR\u5faa\u73af\u5b9e\u73b0\u7d2f\u52a0<\/h3>\n<\/p>\n

\u4f7f\u7528for\u5faa\u73af\u662f\u5b9e\u73b0\u7d2f\u52a0\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u4e4b\u4e00\u3002\u5728Python\u4e2d\uff0cfor\u5faa\u73af\u975e\u5e38\u7b80\u6d01\uff0c\u53ef\u4ee5\u76f4\u63a5\u5bf9\u4e00\u4e2a\u8303\u56f4\u5185\u7684\u6570\u5b57\u8fdb\u884c\u8fed\u4ee3\u3002<\/p>\n<\/p>\n

total = 0<\/p>\n
for i in range(1, 101):<\/p>\n
    total += i<\/p>\n
print(total)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/strong><\/p>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0crange(1, 101)<\/code>\u751f\u6210\u4e86\u4ece1\u5230100\uff08\u5305\u62ec100\uff09\u7684\u6574\u6570\u5e8f\u5217\u3002for i in range(1, 101):<\/code>\u7684\u610f\u601d\u662f\u5bf9\u8fd9\u4e2a\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e00\u4e2a\u6570\u5b57i<\/code>\u6267\u884c\u5faa\u73af\u4f53\u4e2d\u7684\u4ee3\u7801\u3002total += i<\/code>\u8868\u793a\u5c06\u5f53\u524d\u7684i<\/code>\u52a0\u5230total<\/code>\u53d8\u91cf\u4e2d\u3002\u6700\u7ec8\uff0c\u901a\u8fc7print(total)<\/code>\u6253\u5370\u51fa\u7d2f\u52a0\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u6838\u5fc3\u6b65\u9aa4\u89e3\u6790\uff1a<\/strong><\/p>\n<\/p>\n
    \n
  1. \u521d\u59cb\u5316\u53d8\u91cf\uff1a<\/strong> total = 0<\/code>\u7528\u4e8e\u5b58\u50a8\u7d2f\u52a0\u7ed3\u679c\u3002<\/li>\n
  2. \u751f\u6210\u6570\u5217\uff1a<\/strong> range(1, 101)<\/code>\u751f\u62101\u5230100\u7684\u6570\u5217\u3002<\/li>\n
  3. \u7d2f\u52a0\u64cd\u4f5c\uff1a<\/strong> total += i<\/code>\u5c06\u6bcf\u4e00\u4e2ai<\/code>\u52a0\u5230total<\/code>\u4e2d\u3002<\/li>\n
  4. \u8f93\u51fa\u7ed3\u679c\uff1a<\/strong> print(total)<\/code>\u8f93\u51fa\u6700\u7ec8\u7684\u7d2f\u52a0\u7ed3\u679c\u3002<\/li>\n<\/ol>\n
    \u4e8c\u3001WHILE\u5faa\u73af\u5b9e\u73b0\u7d2f\u52a0<\/h3>\n<\/p>\n
    while\u5faa\u73af\u662f\u53e6\u4e00\u79cd\u5b9e\u73b0\u7d2f\u52a0\u7684\u65b9\u5f0f\uff0c\u4e3b\u8981\u7528\u4e8e\u9700\u8981\u5728\u6ee1\u8db3\u67d0\u4e2a\u6761\u4ef6\u4e0b\u53cd\u590d\u6267\u884c\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
    total = 0<\/p>\n
    i = 1<\/p>\n
    while i <= 100:<\/p>\n
        total += i<\/p>\n
        i += 1<\/p>\n
    print(total)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728while\u5faa\u73af\u4e2d\uff0c\u9996\u5148\u521d\u59cb\u5316\u53d8\u91cftotal<\/code>\u548ci<\/code>\uff0c\u7136\u540e\u5728i<\/code>\u5c0f\u4e8e\u7b49\u4e8e100\u7684\u6761\u4ef6\u4e0b\uff0c\u4e0d\u65ad\u6267\u884c\u7d2f\u52a0\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
    \u4e09\u3001\u4f7f\u7528SUM\u51fd\u6570<\/h3>\n<\/p>\n
    Python\u5185\u7f6e\u7684sum\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u5bf9\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u7b49\uff09\u8fdb\u884c\u6c42\u548c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
    total = sum(range(1, 101))<\/p>\n
    print(total)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u91cc\uff0csum(range(1, 101))<\/code>\u76f4\u63a5\u5bf9\u751f\u6210\u7684\u6570\u5217\u8fdb\u884c\u6c42\u548c\u64cd\u4f5c\uff0c\u4ee3\u7801\u7b80\u6d01\u4e14\u9ad8\u6548\u3002<\/p>\n<\/p>\n
    \u56db\u3001\u9012\u5f52\u5b9e\u73b0\u7d2f\u52a0<\/h3>\n<\/p>\n
    \u9012\u5f52\u65b9\u6cd5\u867d\u7136\u4e0d\u5e38\u7528\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u7d2f\u52a0\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
    def recursive_sum(n):<\/p>\n
        if n == 1:<\/p>\n
            return 1<\/p>\n
        else:<\/p>\n
            return n + recursive_sum(n - 1)<\/p>\n
    total = recursive_sum(100)<\/p>\n
    print(total)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u9012\u5f52\u5b9e\u73b0\u4e2d\uff0c\u901a\u8fc7\u4e0d\u65ad\u8c03\u7528\u81ea\u8eab\u51fd\u6570\uff0c\u5c06\u95ee\u9898\u5206\u89e3\u4e3a\u66f4\u5c0f\u7684\u5b50\u95ee\u9898\uff0c\u76f4\u81f3\u8fbe\u5230\u57fa\u51c6\u6761\u4ef6\u3002<\/p>\n<\/p>\n
    \u4e94\u3001\u5229\u7528\u6570\u5b66\u516c\u5f0f<\/h3>\n<\/p>\n
    \u5229\u7528\u6570\u5b66\u516c\u5f0f\u53ef\u4ee5\u5feb\u901f\u6c42\u89e3\u7d2f\u52a0\u95ee\u9898\u3002\u9ad8\u65af\u6c42\u548c\u516c\u5f0f\u662f\u4e00\u4e2a\u5feb\u901f\u8ba1\u7b97\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
    n = 100<\/p>\n
    total = n * (n + 1) \/\/ 2<\/p>\n
    print(total)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u516c\u5f0fn * (n + 1) \/\/ 2<\/code>\u76f4\u63a5\u8ba1\u7b97\u51fa1\u5230n\u7684\u7d2f\u52a0\u548c\u3002<\/p>\n<\/p>\n
    \u516d\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
    \u5217\u8868\u63a8\u5bfc\u5f0f\u662fPython\u4e2d\u7684\u4e00\u4e2a\u7b80\u6d01\u8bed\u6cd5\uff0c\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u5217\u8868\u5e76\u8fdb\u884c\u6c42\u548c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
    total = sum([i for i in range(1, 101)])<\/p>\n
    print(total)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u62101\u5230100\u7684\u6570\u5217\uff0c\u7136\u540e\u4f7f\u7528sum\u51fd\u6570\u8fdb\u884c\u6c42\u548c\u3002<\/p>\n<\/p>\n
    \u4e03\u3001\u4f7f\u7528NumPy\u5e93<\/h3>\n<\/p>\n
    NumPy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u503c\u8ba1\u7b97\u5e93\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u503c\u8fd0\u7b97\u3002<\/p>\n<\/p>\n
    import numpy as np<\/p>\n
    total = np.sum(np.arange(1, 101))<\/p>\n
    print(total)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5229\u7528NumPy\u7684arange<\/code>\u548csum<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u5b9e\u73b0\u7d2f\u52a0\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
    \u516b\u3001\u4f7f\u7528Reduce\u51fd\u6570<\/h3>\n<\/p>\n
    Reduce\u51fd\u6570\u6765\u81ea\u4e8efunctools\u6a21\u5757\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u7d2f\u52a0\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
    from functools import reduce<\/p>\n
    total = reduce(lambda x, y: x + y, range(1, 101))<\/p>\n
    print(total)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u901a\u8fc7reduce\u51fd\u6570\u548clambda\u8868\u8fbe\u5f0f\uff0c\u9010\u6b65\u5c06\u6570\u5217\u4e2d\u7684\u5143\u7d20\u7d2f\u52a0\u8d77\u6765\u3002<\/p>\n<\/p>\n
    \u4e5d\u3001\u6027\u80fd\u6bd4\u8f83\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n
    \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u8fd0\u884c\u6548\u7387\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u573a\u666f\uff0c\u4f7f\u7528\u5185\u7f6e\u7684sum\u51fd\u6570\u662f\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee3\u7801\u7b80\u6d01\u4e14\u6027\u80fd\u4f18\u5f02\u3002<\/p>\n<\/p>\n
    \u5728\u8f83\u4e3a\u590d\u6742\u7684\u573a\u666f\u4e0b\uff0c\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n
    \u7ed3\u8bba<\/h3>\n<\/p>\n
    \u901a\u8fc7\u4e0a\u8ff0\u591a\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u5b9e\u73b0\u4e00\u5230\u4e00\u767e\u7684\u7d2f\u52a0\u64cd\u4f5c\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u52bf\u548c\u9002\u7528\u573a\u666f\u3002\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u8fd0\u884c\u6548\u7387\u3002\u4e86\u89e3\u5e76\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u89e3\u51b3\u7c7b\u4f3c\u95ee\u9898\u65f6\u66f4\u52a0\u5f97\u5fc3\u5e94\u624b\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b01\u5230100\u7684\u7d2f\u52a0\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684sum()<\/code>\u51fd\u6570\u548crange()<\/code>\u51fd\u6570\u6765\u8f7b\u677e\u5b9e\u73b01\u5230100\u7684\u7d2f\u52a0\u3002\u4f8b\u5982\uff0c\u4f7f\u7528sum(range(1, 101))<\/code>\u5c06\u8fd4\u56de5050\uff0c\u8fd9\u662f1\u5230100\u7684\u603b\u548c\u3002<\/p>\n
    \u4f7f\u7528\u5faa\u73af\u6765\u5b9e\u73b01\u5230100\u7684\u7d2f\u52a0\u6709\u4f55\u4f18\u52bf\uff1f<\/strong>
    \u4f7f\u7528\u5faa\u73af\u53ef\u4ee5\u8ba9\u4f60\u5728\u7d2f\u52a0\u8fc7\u7a0b\u4e2d\u6267\u884c\u66f4\u591a\u64cd\u4f5c\uff0c\u4f8b\u5982\u6253\u5370\u6bcf\u4e00\u6b65\u7684\u7ed3\u679c\u6216\u8005\u5728\u6bcf\u6b21\u8fed\u4ee3\u65f6\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u3002\u901a\u8fc7for<\/code>\u5faa\u73af\uff0c\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n
    total = 0\nfor number in range(1, 101):\n    total += number\nprint(total)\n<\/code><\/pre>\n
    \u8fd9\u79cd\u65b9\u6cd5\u80fd\u591f\u63d0\u4f9b\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u3002<\/p>\n
    \u5982\u4f55\u5728Python\u4e2d\u4f18\u53161\u5230100\u7684\u7d2f\u52a0\u8ba1\u7b97\uff1f<\/strong>
    \u53ef\u4ee5\u5229\u7528\u6570\u5b66\u516c\u5f0f\u6765\u4f18\u5316\u8ba1\u7b97\uff0c\u5373\u4f7f\u7528\u7b49\u5dee\u6570\u5217\u6c42\u548c\u516c\u5f0f\u30021\u5230100\u7684\u548c\u53ef\u4ee5\u901a\u8fc7\u516c\u5f0fn(n+1)\/2<\/code>\u8ba1\u7b97\uff0c\u5176\u4e2dn<\/code>\u662f\u6700\u540e\u4e00\u4e2a\u6570\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
    n = 100\ntotal = n * (n + 1) \/\/ 2\nprint(total)\n<\/code><\/pre>\n
    \u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u66f4\u7b80\u6d01\uff0c\u800c\u4e14\u8ba1\u7b97\u6548\u7387\u66f4\u9ad8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5b9e\u73b0\u4e00\u5230\u4e00\u767e\u7684\u7d2f\u52a0\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\uff0c\u4f8b\u5982\u4f7f\u7528for\u5faa\u73af\u3001while\u5faa\u73af\u3001sum\u51fd\u6570\u7b49\u3002 \u672c\u6587 […]","protected":false},"author":3,"featured_media":1133311,"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\/1133307"}],"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=1133307"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1133307\/revisions"}],"predecessor-version":[{"id":1133313,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1133307\/revisions\/1133313"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1133311"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1133307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1133307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1133307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}