{"id":1066748,"date":"2024-12-31T16:29:05","date_gmt":"2024-12-31T08:29:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1066748.html"},"modified":"2024-12-31T16:29:22","modified_gmt":"2024-12-31T08:29:22","slug":"python%e5%a6%82%e4%bd%95%e7%94%a8range%e5%87%bd%e6%95%b0%e5%80%92%e5%ba%8f%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1066748.html","title":{"rendered":"python\u5982\u4f55\u7528range\u51fd\u6570\u5012\u5e8f\u8f93\u51fa"},"content":{"rendered":"

\"python\u5982\u4f55\u7528range\u51fd\u6570\u5012\u5e8f\u8f93\u51fa\"<\/p>\n

\u7528Python\u4e2d\u7684range\u51fd\u6570\u5012\u5e8f\u8f93\u51fa\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8d77\u59cb\u503c\u3001\u7ec8\u6b62\u503c\u548c\u6b65\u957f\u6765\u5b9e\u73b0<\/strong>\u3001\u5176\u4e2d\u6b65\u957f\u8bbe\u4e3a\u8d1f\u503c<\/strong>\u3002\u4f8b\u5982\uff0c\u8981\u5012\u5e8f\u8f93\u51fa\u4ece10\u52301\u7684\u6570\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528range(10, 0, -1)<\/code>\u3002\u8fd9\u6bb5\u4ee3\u7801\u7684\u542b\u4e49\u662f\u4ece10\u5f00\u59cb\uff0c\u6b65\u957f\u4e3a-1\uff0c\u76f4\u5230\u4e0d\u5305\u62ec0\u7684\u8303\u56f4\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u8be6\u7ec6\u7684\u89e3\u91ca<\/strong>\uff1a<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0crange<\/code>\u51fd\u6570\u901a\u5e38\u7528\u4e8e\u751f\u6210\u4e00\u4e2a\u6570\u5b57\u5e8f\u5217\u3002\u5b83\u53ef\u4ee5\u63a5\u53d7\u6700\u591a\u4e09\u4e2a\u53c2\u6570\uff1a\u8d77\u59cb\u503c\u3001\u7ec8\u6b62\u503c\u548c\u6b65\u957f\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6b65\u957f\u4e3a1\uff0c\u8fd9\u8868\u793a\u751f\u6210\u7684\u5e8f\u5217\u662f\u9012\u589e\u7684\u3002\u4f46\u5982\u679c\u6b65\u957f\u8bbe\u4e3a\u8d1f\u503c\uff0c\u5219\u751f\u6210\u7684\u5e8f\u5217\u5c06\u662f\u9012\u51cf\u7684\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7406\u89e3range\u51fd\u6570\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n

\u5728\u5b66\u4e60\u5982\u4f55\u5012\u5e8f\u8f93\u51fa\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3range<\/code>\u51fd\u6570\u7684\u57fa\u672c\u7528\u6cd5\u3002range<\/code>\u51fd\u6570\u6709\u4e09\u79cd\u8c03\u7528\u65b9\u5f0f\uff1a<\/p>\n<\/p>\n

    \n
  1. range(stop)<\/strong>: \u751f\u6210\u4ece0\u5230stop\uff08\u4e0d\u5305\u62ecstop\uff09\u7684\u6570\u5b57\u5e8f\u5217\u3002<\/li>\n
  2. range(start, stop)<\/strong>: \u751f\u6210\u4ecestart\u5230stop\uff08\u4e0d\u5305\u62ecstop\uff09\u7684\u6570\u5b57\u5e8f\u5217\u3002<\/li>\n
  3. range(start, stop, step)<\/strong>: \u751f\u6210\u4ecestart\u5230stop\uff08\u4e0d\u5305\u62ecstop\uff09\u7684\u6570\u5b57\u5e8f\u5217\uff0c\u6b65\u957f\u4e3astep\u3002<\/li>\n<\/ol>\n

    \u4f8b\u5982\uff1a<\/p>\n<\/p>\n

    print(list(range(5)))          # \u8f93\u51fa: [0, 1, 2, 3, 4]<\/p>\n
    print(list(range(1, 5)))       # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
    print(list(range(1, 10, 2)))   # \u8f93\u51fa: [1, 3, 5, 7, 9]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e8c\u3001\u4f7f\u7528range\u51fd\u6570\u5012\u5e8f\u8f93\u51fa<\/h3>\n<\/p>\n
    \u4e3a\u4e86\u5012\u5e8f\u8f93\u51fa\u4e00\u4e2a\u6570\u5b57\u5e8f\u5217\uff0c\u53ef\u4ee5\u5c06\u6b65\u957f\u8bbe\u7f6e\u4e3a\u8d1f\u503c\u3002\u4f8b\u5982\uff0c\u8981\u751f\u6210\u4ece10\u52301\u7684\u5012\u5e8f\u6570\u5b57\u5e8f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528range(10, 0, -1)<\/code>\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
    for i in range(10, 0, -1):<\/p>\n
        print(i)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u89e3\u91ca<\/strong>\uff1a<\/p>\n<\/p>\n
      \n
    • range(10, 0, -1)<\/code>\uff1a\u4ece10\u5f00\u59cb\uff0c\u6b65\u957f\u4e3a-1\uff0c\u76f4\u5230\u4e0d\u5305\u62ec0\u4e3a\u6b62\u3002<\/li>\n
    • for i in range(10, 0, -1)<\/code>\uff1a\u904d\u5386\u751f\u6210\u7684\u6570\u5b57\u5e8f\u5217\uff0c\u5e76\u6253\u5370\u6bcf\u4e2a\u6570\u5b57\u3002<\/li>\n<\/ul>\n
      \u4e09\u3001\u66f4\u591a\u5012\u5e8f\u8f93\u51fa\u7684\u793a\u4f8b<\/h3>\n<\/p>\n
      \u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5012\u5e8f\u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
        \n
      1. \u5012\u5e8f\u8f93\u51fa\u4ece20\u523010\u7684\u6570\u5b57<\/strong>\uff1a<\/li>\n<\/ol>\n
        for i in range(20, 9, -1):<\/p>\n
            print(i)<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u8f93\u51fa\uff1a<\/p>\n<\/p>\n
        20<\/p>\n
        19<\/p>\n
        18<\/p>\n
        17<\/p>\n
        16<\/p>\n
        15<\/p>\n
        14<\/p>\n
        13<\/p>\n
        12<\/p>\n
        11<\/p>\n
        10<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        1. \u5012\u5e8f\u8f93\u51fa\u4ece100\u523050\uff0c\u6bcf\u6b21\u51cf\u53bb10<\/strong>\uff1a<\/li>\n<\/ol>\n
          for i in range(100, 49, -10):<\/p>\n
              print(i)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u8f93\u51fa\uff1a<\/p>\n<\/p>\n
          100<\/p>\n
          90<\/p>\n
          80<\/p>\n
          70<\/p>\n
          60<\/p>\n
          50<\/p>\n
          <\/code><\/pre>\n<\/p>\n
            \n
          1. \u5012\u5e8f\u8f93\u51fa\u4ece-10\u5230-20<\/strong>\uff1a<\/li>\n<\/ol>\n
            for i in range(-10, -21, -1):<\/p>\n
                print(i)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u8f93\u51fa\uff1a<\/p>\n<\/p>\n
            -10<\/p>\n
            -11<\/p>\n
            -12<\/p>\n
            -13<\/p>\n
            -14<\/p>\n
            -15<\/p>\n
            -16<\/p>\n
            -17<\/p>\n
            -18<\/p>\n
            -19<\/p>\n
            -20<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u56db\u3001\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
            \u5012\u5e8f\u8f93\u51fa\u5728\u7f16\u7a0b\u4e2d\u6709\u5f88\u591a\u5e94\u7528\u573a\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
              \n
            1. \u5012\u5e8f\u904d\u5386\u5217\u8868<\/strong>\uff1a\u867d\u7136\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u7684\u53cd\u5411\u8fed\u4ee3\u5668\uff08reversed<\/code>\uff09\uff0c\u4f46range<\/code>\u51fd\u6570\u540c\u6837\u53ef\u4ee5\u5b9e\u73b0\u5012\u5e8f\u904d\u5386\u3002<\/li>\n
            2. \u5b9e\u73b0\u5012\u8ba1\u65f6<\/strong>\uff1a\u5012\u5e8f\u8f93\u51fa\u5728\u8ba1\u65f6\u5668\u548c\u5012\u8ba1\u65f6\u529f\u80fd\u4e2d\u975e\u5e38\u5e38\u89c1\u3002<\/li>\n
            3. \u6570\u636e\u5904\u7406<\/strong>\uff1a\u5728\u5904\u7406\u6570\u636e\u65f6\uff0c\u6709\u65f6\u9700\u8981\u4ece\u540e\u5411\u524d\u904d\u5386\u6216\u5904\u7406\u6570\u636e\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528\u5012\u5e8f\u8f93\u51fa\u3002<\/li>\n<\/ol>\n
              \u4e94\u3001\u7efc\u5408\u793a\u4f8b<\/h3>\n<\/p>\n
              \u4e0b\u9762\u662f\u4e00\u4e2a\u7efc\u5408\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528range<\/code>\u51fd\u6570\u8fdb\u884c\u5012\u5e8f\u8f93\u51fa\uff0c\u5e76\u7ed3\u5408\u5176\u4ed6Python\u8bed\u6cd5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u529f\u80fd\uff1a<\/p>\n<\/p>\n
              def countdown(n):<\/p>\n
                  print("Starting countdown:")<\/p>\n
                  for i in range(n, 0, -1):<\/p>\n
                      print(i)<\/p>\n
                  print("Countdown finished!")<\/p>\n
              \u8c03\u7528\u51fd\u6570\uff0c\u8fdb\u884c\u5012\u8ba1\u65f6<\/strong><\/h2>\n
              countdown(10)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u8f93\u51fa\uff1a<\/p>\n<\/p>\n
              Starting countdown:<\/p>\n
              10<\/p>\n
              9<\/p>\n
              8<\/p>\n
              7<\/p>\n
              6<\/p>\n
              5<\/p>\n
              4<\/p>\n
              3<\/p>\n
              2<\/p>\n
              1<\/p>\n
              Countdown finished!<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2acountdown<\/code>\u51fd\u6570\uff0c\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570n<\/code>\uff0c\u5e76\u4ecen<\/code>\u5012\u6570\u52301\uff0c\u7136\u540e\u6253\u5370\u201cCountdown finished!\u201d\u3002\u8fd9\u5c55\u793a\u4e86\u5982\u4f55\u7ed3\u5408range<\/code>\u51fd\u6570\u548c\u51fd\u6570\u5b9a\u4e49\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u5012\u8ba1\u65f6\u529f\u80fd\u3002<\/p>\n<\/p>\n
              \u516d\u3001\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
              \u5728\u4f7f\u7528range<\/code>\u51fd\u6570\u8fdb\u884c\u5012\u5e8f\u8f93\u51fa\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n
                \n
              1. \u6b65\u957f\u4e3a\u8d1f\u503c<\/strong>\uff1a\u8981\u5b9e\u73b0\u5012\u5e8f\u8f93\u51fa\uff0c\u6b65\u957f\u5fc5\u987b\u4e3a\u8d1f\u503c\u3002<\/li>\n
              2. \u8d77\u59cb\u503c\u548c\u7ec8\u6b62\u503c<\/strong>\uff1a\u8d77\u59cb\u503c\u5fc5\u987b\u5927\u4e8e\u7ec8\u6b62\u503c\uff0c\u5426\u5219\u4e0d\u4f1a\u751f\u6210\u4efb\u4f55\u6570\u5b57\u3002<\/li>\n
              3. \u751f\u6210\u7684\u6570\u5b57\u4e0d\u5305\u62ec\u7ec8\u6b62\u503c<\/strong>\uff1arange<\/code>\u51fd\u6570\u751f\u6210\u7684\u6570\u5b57\u5e8f\u5217\u4e0d\u5305\u62ec\u7ec8\u6b62\u503c\uff0c\u56e0\u6b64\u9700\u8981\u4ed4\u7ec6\u8bbe\u7f6e\u7ec8\u6b62\u503c\u3002<\/li>\n<\/ol>\n
                \u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
                \u901a\u8fc7\u4f7f\u7528range<\/code>\u51fd\u6570\u5e76\u8bbe\u7f6e\u8d1f\u6b65\u957f\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5012\u5e8f\u8f93\u51fa\u3002\u8fd9\u5728\u8bb8\u591a\u7f16\u7a0b\u4efb\u52a1\u4e2d\u975e\u5e38\u6709\u7528<\/strong>\uff0c\u4f8b\u5982\u5012\u8ba1\u65f6\u3001\u53cd\u5411\u904d\u5386\u6570\u636e\u7b49\u3002\u7406\u89e3range<\/code>\u51fd\u6570\u7684\u7528\u6cd5<\/strong>\uff0c\u7279\u522b\u662f\u5982\u4f55\u6307\u5b9a\u6b65\u957f\uff0c\u662f\u638c\u63e1Python\u57fa\u7840\u7f16\u7a0b\u7684\u91cd\u8981\u90e8\u5206\u3002\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u7684\u8be6\u7ec6\u89e3\u91ca\u548c\u793a\u4f8b\uff0c\u80fd\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528range<\/code>\u51fd\u6570\u8fdb\u884c\u5012\u5e8f\u8f93\u51fa\u3002<\/p>\n<\/p>\n
                \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                 \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528range\u51fd\u6570\u751f\u6210\u5012\u5e8f\u7684\u6570\u5b57\u5e8f\u5217\uff1f<\/strong>
                \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9arange\u51fd\u6570\u7684\u8d77\u59cb\u503c\u3001\u7ed3\u675f\u503c\u548c\u6b65\u957f\u6765\u751f\u6210\u5012\u5e8f\u7684\u6570\u5b57\u5e8f\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528range(10, 0, -1)<\/code>\u53ef\u4ee5\u751f\u6210\u4ece10\u52301\u7684\u5012\u5e8f\u5e8f\u5217\u3002\u6b65\u957f\u4e3a\u8d1f\u6570\u8868\u793a\u5012\u5e8f\u8f93\u51fa\uff0c\u7ed3\u675f\u503c\u4e0d\u5305\u542b\u5728\u5185\u3002<\/p>\n
                \u5012\u5e8f\u8f93\u51fa\u7684\u8303\u56f4\u662f\u5426\u53ef\u4ee5\u5305\u62ec\u96f6\uff1f<\/strong>
                \u662f\u7684\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u7ed3\u675f\u503c\u4e3a0\u5e76\u8c03\u6574\u6b65\u957f\u6765\u5305\u62ec\u96f6\u3002\u6bd4\u5982\uff0c\u4f7f\u7528range(10, -1, -1)<\/code>\u5c06\u751f\u6210\u4ece10\u52300\u7684\u5012\u5e8f\u5e8f\u5217\uff0c\u5305\u542b\u96f6\u3002<\/p>\n
                \u5728\u5012\u5e8f\u8f93\u51fa\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u975e\u6574\u6570\u7684\u8303\u56f4\uff1f<\/strong>
                \u5982\u679c\u9700\u8981\u751f\u6210\u975e\u6574\u6570\u7684\u5012\u5e8f\u5e8f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528numpy\u5e93\u4e2d\u7684arange\u51fd\u6570\u3002\u4f8b\u5982\uff0cnumpy.arange(10, 0, -0.5)<\/code>\u5c06\u751f\u6210\u4ece10\u52300\u7684\u5012\u5e8f\u5e8f\u5217\uff0c\u6bcf\u6b65\u51cf\u5c110.5\u3002\u8fd9\u6837\u80fd\u591f\u66f4\u52a0\u7075\u6d3b\u5730\u63a7\u5236\u8f93\u51fa\u7684\u6570\u503c\u3002<\/p>\n
                \u5012\u5e8f\u8f93\u51fa\u7684\u7ed3\u679c\u53ef\u4ee5\u4ee5\u4ec0\u4e48\u5f62\u5f0f\u5c55\u793a\uff1f<\/strong>
                \u60a8\u53ef\u4ee5\u5c06\u751f\u6210\u7684\u5012\u5e8f\u5e8f\u5217\u8f6c\u6362\u4e3a\u5217\u8868\u6216\u5143\u7ec4\uff0c\u4ee5\u4fbf\u4e8e\u8fdb\u4e00\u6b65\u5904\u7406\u6216\u8f93\u51fa\u3002\u4f7f\u7528list(range(10, 0, -1))<\/code>\u5c06\u5f97\u5230\u4e00\u4e2a\u5305\u542b10\u52301\u7684\u5217\u8868\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\u8fdb\u884c\u5b58\u50a8\u548c\u64cd\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u7528Python\u4e2d\u7684range\u51fd\u6570\u5012\u5e8f\u8f93\u51fa\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8d77\u59cb\u503c\u3001\u7ec8\u6b62\u503c\u548c\u6b65\u957f\u6765\u5b9e\u73b0\u3001\u5176\u4e2d\u6b65\u957f\u8bbe\u4e3a\u8d1f\u503c\u3002\u4f8b\u5982\uff0c\u8981\u5012\u5e8f […]","protected":false},"author":3,"featured_media":1066779,"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\/1066748"}],"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=1066748"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1066748\/revisions"}],"predecessor-version":[{"id":1066785,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1066748\/revisions\/1066785"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1066779"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1066748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1066748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1066748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}