{"id":69794,"date":"2026-02-01T04:04:51","date_gmt":"2026-01-31T20:04:51","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/69794.html"},"modified":"2026-02-01T04:04:51","modified_gmt":"2026-01-31T20:04:51","slug":"python%e4%b8%ad%e7%9a%84%e5%be%aa%e7%8e%af","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/69794.html","title":{"rendered":"python\u4e2d\u7684\u5faa\u73af"},"content":{"rendered":"

Python\u4e2d\u7684\u5faa\u73af<\/h2>\n

\u4ec0\u4e48\u662f\u5faa\u73af<\/h4>\n

\u6709\u6761\u4ef6\u5730\u91cd\u590d\u7684\u5730\u505a\u4e00\u4ef6\u4e8b\u60c5,\u6bcf\u4e00\u6b21\u505a\u7684\u4e8b\u60c5\u4e0d\u540c\u4f46\u7c7b\u4f3c<\/p>\n

\u5faa\u73af\u7684\u4f5c\u7528<\/h4>\n

\u8ba9\u4ee3\u7801\u9ad8\u6548\u7684\u91cd\u590d\u6267\u884c<\/p>\n

\u5faa\u73af\u7684\u79cd\u7c7b<\/h4>\n

\u5728Python\u4e2d,\u5faa\u73af\u4e00\u5171\u5206\u4e3a\u4e24\u5927\u7c7b: while\u5faa\u73af\u4e0efor\u5faa\u73af<\/p>\n

while\u5faa\u73af\u548cfor\u5faa\u73af\u5982\u4f55\u9009\u62e9?<\/p>\n

  • \u5bf9\u4e8e\u5faa\u73af\u6b21\u6570\u56fa\u5b9a(\u5df2\u77e5)\u60c5\u51b5\u4e0b,\u5efa\u8bae\u4f7f\u7528for\u5faa\u73af,\u4f8b\u5982:1~100\u5faa\u73af<\/li>\n
  • \u5bf9\u4e8e\u5faa\u73af\u6b21\u6570\u672a\u77e5(\u4e0d\u786e\u5b9a)\u7684\u60c5\u51b5\u4e0b,\u5efa\u8bae\u4f7f\u7528while\u5faa\u73af,\u4f8b\u5982:\u731c\u6570\u5b57\u6e38\u620f<\/li>\n

    while\u5faa\u73af\u57fa\u672c\u8bed\u6cd5\u53ca\u5176\u5bf9\u5e94<\/h3>\n

    while\u5faa\u73af\u7684\u57fa\u672c\u8bed\u6cd5<\/h4>\n

    # \u4e09\u6b65\u8d70<\/span>
    \n# step1: \u521d\u59cb\u5316\u8ba1\u6570\u5668<\/span>
    \ni =<\/span> 0<\/span> or<\/span> 1<\/span>
    \n# step2: \u7f16\u5199\u5faa\u73af\u6761\u4ef6<\/span>
    \nwhile<\/span> \u5faa\u73af\u6761\u4ef6(<\/span>\u5224\u65ad \u8ba1\u6570\u5668 \u662f\u5426\u8fbe\u5230\u4e86\u76ee\u6807\u4f4d\u7f6e)<\/span>
    \n\u5faa\u73af\u4f531<\/span>
    \n \u5faa\u73af\u4f532<\/span>
    \n .<\/span>.<\/span>.<\/span>
    \n # step3: \u5728\u5faa\u73af\u5185\u66f4\u65b0\u8ba1\u6570\u5668<\/span>
    \n i =<\/span> i +<\/span> 1<\/span> \u6216 i +=<\/span> 1<\/span><\/p>\n

    \u6848\u4f8b:\u8f93\u51fa5\u904d"hello python"<\/p>\n

    # 1. \u521d\u59cb\u5316\u8ba1\u6570\u5668<\/span>
    \ni =<\/span> 0<\/span>
    \n# 2. \u7f16\u5199\u5faa\u73af\u6761\u4ef6<\/span>
    \nwhile<\/span> i <<\/span> 5<\/span>:<\/span>
    \n print<\/span>(<\/span>'hello python'<\/span>)<\/span>
    \n #3. \u5728\u5faa\u73af\u4f53\u5185\u90e8\u66f4\u65b0\u8ba1\u6570\u5668<\/span>
    \n i +=<\/span> 1<\/span><\/p>\n

    while\u5faa\u73af\u6d41\u7a0b\u56fe:<\/p>\n

    \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    while\u5faa\u73af\u6848\u4f8b<\/h4>\n

    \u6848\u4f8b1: \u4f7f\u7528while\u5faa\u73af\u6c421~100\u7684\u548c<\/p>\n

    # \u7b2c\u4e00\u6b65: \u521d\u59cb\u5316\u8ba1\u6570\u5668<\/span>
    \ni =<\/span> 0<\/span>
    \n# \u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf,\u63a5\u6536\u7d2f\u52a0\u540e\u7684\u7ed3\u679c<\/span>
    \ntotal =<\/span> 0<\/span>
    \n# \u7b2c\u4e8c\u6b65: \u7f16\u5199\u5faa\u73af\u6761\u4ef6<\/span>
    \nwhile<\/span> i <=<\/span> 100<\/span>:<\/span>
    \n total +=<\/span> i
    \n # \u7b2c\u4e09\u6b65: \u66f4\u65b0\u8ba1\u6570\u5668\u7684\u503c<\/span>
    \n i +=<\/span> 1<\/span>
    \nprint<\/span>(<\/span>f'1~100\u7d2f\u52a0\u548c\u4e3a:<\/span>{<\/span>total}<\/span><\/span>'<\/span><\/span>)<\/span><\/p>\n

    \u6848\u4f8b2: 1~100\u4e4b\u95f4,\u5076\u6570\u7684\u548c<\/p>\n

    # \u521d\u59cb\u5316\u8ba1\u6570\u5668<\/span>
    \ni =<\/span> 0<\/span>
    \ntotal =<\/span> 0<\/span>
    \n# \u7f16\u5199\u5faa\u73af\u6761\u4ef6<\/span>
    \nwhile<\/span> i <=<\/span> 100<\/span>:<\/span>
    \n # \u53d8\u91cfi\u4e3a\u4e00\u4e2a\u5076\u6570<\/span>
    \n if<\/span> i %<\/span> 2<\/span> ==<\/span> 0<\/span>:<\/span>
    \n total +=<\/span> i
    \n # \u66f4\u65b0\u8ba1\u6570\u5668\u7684\u503c<\/span>
    \n i +=<\/span> 1<\/span>
    \nprint<\/span>(<\/span>f'\u5076\u6570\u548c\u4e3a:<\/span>{<\/span>total}<\/span><\/span>'<\/span><\/span>)<\/span><\/p>\n

    \u5faa\u73af\u4e2d\u7684\u4e24\u5927\u5173\u952e\u8bcd<\/h3>\n

    \u4e24\u4e2a\u5173\u952e\u8bcd<\/h4>\n

    \u5728python\u5faa\u73af\u4e2d\u7684\u4e24\u4e2a\u5173\u952e\u8bcd:<\/p>\n

  • break: \u4ee3\u8868\u7ec8\u6b62\u600e\u4e2a\u5faa\u73af\u7ed3\u6784<\/li>\n
  • continue: \u4ee3\u8868\u4e2d\u6b62\u5f53\u524d\u672c\u6b21\u5faa\u73af,\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af<\/li>\n

    \u6848\u4f8b<\/p>\n

    break\u5173\u952e\u5b57<\/p>\n

    \u5728\u5403\u5305\u5b50\u7684\u8fc7\u7a0b\u4e2d,\u5403\u5b8c\u7b2c\u4e09\u4e2a\u5403\u9971\u4e86,\u4e0d\u9700\u8981\u518d\u5403\u7b2c4,5\u4e2a\u5305\u5b50\u4e86,\u505c\u6b62\u5403\u8fd9\u4e2a\u52a8\u4f5c,\u8fd9\u91cc\u4f1a\u7528break\u63a7\u5236\u5faa\u73af\u6d41\u7a0b,\u5373\u7ec8\u6b62\u6b64\u5faa\u73af<\/p>\n

    # \u521d\u59cb\u5316\u8ba1\u6570\u5668<\/span>
    \ni =<\/span> 1<\/span>
    \n# \u7f16\u5199\u5faa\u73af\u6761\u4ef6<\/span>
    \nwhile<\/span> i <=<\/span> 5<\/span>:<\/span>
    \n # \u5f53\u53d8\u91cfi == 4\u7684\u65f6\u5019，\u7ec8\u6b62\u5faa\u73af<\/span>
    \n if<\/span> i ==<\/span> 4<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u6211\u5df2\u7ecf\u5403\u9971\u4e86，\u5b9e\u5728\u5403\u4e0d\u4e0b\u4e86…'<\/span>)<\/span>
    \n break<\/span><\/p>\n

    # \u6b63\u5728\u5403\u7b2c\u51e0\u4e2a\u5305\u5b50<\/span>
    \n print<\/span>(<\/span>f'\u6b63\u5728\u5403\u7b2c<\/span>{<\/span>i}<\/span><\/span>\u4e2a\u5305\u5b50'<\/span><\/span>)<\/span><\/p>\n

    # \u66f4\u65b0\u8ba1\u6570\u5668<\/span>
    \n i +=<\/span> 1<\/span><\/p>\n

    continue\u5173\u952e\u5b57<\/p>\n

    \u5728\u5403\u5305\u5b50\u7684\u8fc7\u7a0b\u4e2d,\u7b2c\u4e09\u4e2a\u5403\u5230\u4e0d\u559c\u6b22\u7684\u53e3\u5473,\u4e0d\u5403\u4e86,\u7ee7\u7eed\u5403\u7b2c\u56db\u4e2a,\u7b2c\u4e94\u4e2a,\u8fd9\u91cc\u5c31\u662fcontinue\u63a7\u5236\u5faa\u73af\u6d41\u7a0b,\u5373\u9000\u51fa\u5f53\u524d\u4e00\u6b21\u5faa\u73af\u7ee7\u800c\u6267\u884c\u4e0b\u4e00\u6b21<\/p>\n

    # \u521d\u59cb\u5316\u8ba1\u6570\u5668<\/span>
    \ni =<\/span> 1<\/span>
    \n# \u7f16\u5199\u5faa\u73af\u6761\u4ef6<\/span>
    \nwhile<\/span> i <=<\/span> 5<\/span>:<\/span>
    \n # \u5f53\u53d8\u91cfi == 3\u7684\u65f6\u5019，\u4e2d\u6b62\u5f53\u524d\u5faa\u73af，\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af<\/span>
    \n if<\/span> i ==<\/span> 3<\/span>:<\/span>
    \n # \u624b\u5de5\u66f4\u65b0\u8ba1\u6570\u5668(\u975e\u5e38\u91cd\u8981)<\/span>
    \n i +=<\/span> 1<\/span>
    \n print<\/span>(<\/span>'\u4e0d\u597d\u5403,\u4e0d\u60f3\u5403\u8fd9\u4e2a\u4e86…'<\/span>)<\/span>
    \n continue<\/span><\/p>\n

    print<\/span>(<\/span>f'\u6b63\u5728\u5403\u7b2c<\/span>{<\/span>i}<\/span><\/span>\u4e2a\u5305\u5b50'<\/span><\/span>)<\/span>
    \n # \u66f4\u65b0\u8ba1\u6570\u5668<\/span>
    \n i +=<\/span> 1<\/span><\/p>\n

    tips:\u5728\u4f7f\u7528continue\u65f6,\u4e0d\u624b\u5de5\u66f4\u65b0\u8ba1\u6570\u5668\u4f1a\u51fa\u73b0\u6b7b\u5faa\u73af<\/p>\n

    while\u6848\u4f8b:\u731c\u6570\u5b57<\/p>\n

    \u7f16\u5199\u4e00\u4e2aPython\u7a0b\u5e8f，\u968f\u673a\u751f\u6210\u4e00\u4e2a1\u5230100\u4e4b\u95f4\u7684\u6574\u6570，\u7528\u6237\u901a\u8fc7\u8f93\u5165\u731c\u6d4b\u7684\u6570\u5b57，\u7a0b\u5e8f\u4f1a\u6839\u636e\u7528\u6237\u7684\u8f93\u5165\u63d0\u793a\u201c\u731c\u5927\u4e86\u201d\u3001\u201c\u731c\u5c0f\u4e86\u201d\u6216\u201c\u731c\u5bf9\u4e86\u201d\u3002\u7528\u6237\u53ef\u4ee5\u65e0\u9650\u6b21\u731c\u6d4b，\u76f4\u5230\u731c\u5bf9\u4e3a\u6b62\u3002\u731c\u5bf9\u540e，\u7a0b\u5e8f\u4f1a\u63d0\u793a\u7528\u6237\u5e76\u7ed3\u675f\u6e38\u620f\u3002<\/p>\n

    # \u5bfc\u5305<\/span>
    \nimport<\/span> random
    \n# \u968f\u673a\u751f\u62101~100\u4e4b\u95f4\u7684\u6570\u5b57<\/span>
    \nnum =<\/span> random.<\/span>randint(<\/span>1<\/span>,<\/span> 100<\/span>)<\/span>
    \nwhile<\/span> True<\/span>:<\/span> #\u56e0\u4e3a\u4e0d\u77e5\u9053\u6b21\u6570,\u8fd9\u91cc\u7528True<\/span>
    \n guess =<\/span> int<\/span>(<\/span>input<\/span>(<\/span>'\u8bf7\u8f93\u51651-100\u4e4b\u95f4\u7684\u4e00\u4e2a\u6570: '<\/span>)<\/span>)<\/span>
    \n if<\/span> guess ><\/span> num:<\/span>
    \n print<\/span>(<\/span>'\u731c\u5927\u4e86,\u8bf7\u7ee7\u7eed'<\/span>)<\/span>
    \n elif<\/span> guess <<\/span> num:<\/span>
    \n print<\/span>(<\/span>'\u731c\u5c0f\u4e86,\u8bf7\u7ee7\u7eed'<\/span>)<\/span>
    \n else<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u606d\u559c\u60a8,\u7b54\u5bf9\u4e86'<\/span>)<\/span>
    \n break<\/span><\/p>\n

    for\u5faa\u73af\u57fa\u672c\u8bed\u6cd5\u53ca\u5176\u5e94\u7528<\/h3>\n

    for\u5faa\u73af\u7ed3\u6784\u4e3b\u8981\u7528\u4e8e\u5e8f\u5217 (\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u5143\u7ec4\u3001\u96c6\u5408\u4ee5\u53ca\u5b57\u5178）\u7c7b\u578b\u6570\u636e\u7684\u904d\u5386（\u5faa\u73af）\u64cd\u4f5c\u3002<\/p>\n

    for<\/span> \u4e34\u65f6\u53d8\u91cf in<\/span> \u5e8f\u5217:<\/span>
    \n \u91cd\u590d\u6267\u884c\u7684\u4ee3\u78011<\/span>
    \n \u91cd\u590d\u6267\u884c\u7684\u4ee3\u78012<\/span><\/p>\n

    \u6848\u4f8b:<\/p>\n

    str1 =<\/span> 'hello'<\/span>
    \nfor<\/span> i in<\/span> str1:<\/span>
    \n print<\/span>(<\/span>i)<\/span> #'h','e','l','l','o'<\/span><\/p>\n

    range\u65b9\u6cd5(\u51fd\u6570)<\/h4>\n

    Python2 range() \u51fd\u6570\u8fd4\u56de\u7684\u662f\u5217\u8868，\u800c\u5728Python3\u4e2d range() \u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61（\u7c7b\u578b\u662f\u5bf9\u8c61），\u800c\u4e0d\u662f\u5217\u8868\u7c7b\u578b， \u6240\u4ee5\u6253\u5370\u7684\u65f6\u5019\u4e0d\u4f1a\u6253\u5370\u5217\u8868\u3002<\/p>\n

    \u8fd9\u91cc\u4e3b\u8981\u7528\u4e8e\u751f\u6210\u4e00\u6bb5\u5185\u5bb9,0~9<\/p>\n

    \u57fa\u672c\u8bed\u6cd5:<\/p>\n

    range<\/span>(<\/span>stop)<\/span>
    \nrange<\/span>(<\/span>start,<\/span> stop,<\/span> step)<\/span><\/p>\n

    start:<\/span> \u8ba1\u6570\u4ece start \u5f00\u59cb\u3002\u9ed8\u8ba4\u662f\u4ece 0<\/span> \u5f00\u59cb\u3002\u4f8b\u5982range<\/span>（5<\/span>）\u7b49\u4ef7\u4e8erange<\/span>（0<\/span>， 5<\/span>）;<\/span>
    \nstop:<\/span> \u8ba1\u6570\u5230 stop \u7ed3\u675f，\u4f46\u4e0d\u5305\u62ec stop\u3002\u4f8b\u5982：range<\/span>（0<\/span>，5<\/span>） \u662f [<\/span>0<\/span>,<\/span> 1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>]<\/span> \u6ca1\u6709 5<\/span>
    \nstep：\u6b65\u957f，\u9ed8\u8ba4\u4e3a1<\/span>\u3002\u4f8b\u5982：range<\/span>（0<\/span>，5<\/span>） \u7b49\u4ef7\u4e8e range<\/span>(<\/span>0<\/span>,<\/span> 5<\/span>,<\/span> 1<\/span>)<\/span><\/p>\n

    \u6848\u4f8b:for\u5faa\u73af\u4e0erange\u65b9\u6cd5，\u4f7f\u7528for\u5faa\u73af，\u5faa\u73af5\u6b21<\/p>\n

    for<\/span> i in<\/span> range<\/span>(<\/span>5<\/span>)<\/span>:<\/span> #\u5305\u5de6\u4e0d\u5305\u53f3<\/span>
    \n print<\/span>(<\/span>i)<\/span><\/p>\n

    for\u5faa\u73af\u6848\u4f8b<\/h4>\n

    \u6848\u4f8b: \u4f7f\u7528for\u5faa\u73af,\u6c421~100\u76f8\u52a0\u7684\u548c<\/p>\n

    # \u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf，\u7528\u4e8e\u63a5\u65361~100\u76f8\u52a0\u7684\u548c<\/span>
    \nresult =<\/span> 0<\/span>
    \n# \u4ece1\u5f00\u59cb\u5faa\u73af，\u5faa\u73af100\u6b21<\/span>
    \nfor<\/span> i in<\/span> range<\/span>(<\/span>1<\/span>,<\/span> 101<\/span>)<\/span>:<\/span>
    \n result +=<\/span> i
    \nprint<\/span>(<\/span>f'1~100\u4e4b\u95f4\u6240\u6709\u548c\u4e3a<\/span>{<\/span>result}<\/span><\/span>'<\/span><\/span>)<\/span><\/p>\n

    \u6848\u4f8b: \u4f7f\u7528for\u5faa\u73af，\u6c421 ~ 100\u4e4b\u95f4\u6240\u6709\u5076\u6570\u7684\u548c<\/p>\n

    # \u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf，\u7528\u4e8e\u63a5\u65361~100\u4e4b\u95f4\u6240\u6709\u5076\u6570\u7684\u548c<\/span>
    \nresult =<\/span> 0<\/span>
    \n# \u4ece1\u5f00\u59cb\u5faa\u73af，\u5faa\u73af100\u6b21<\/span>
    \nfor<\/span> i in<\/span> range<\/span>(<\/span>1<\/span>,<\/span> 101<\/span>)<\/span>:<\/span>
    \n if<\/span> i %<\/span> 2<\/span> ==<\/span> 0<\/span>:<\/span>
    \n result +=<\/span> i
    \nprint<\/span>(<\/span>f'1~100\u4e4b\u95f4\u6240\u6709\u5076\u6570\u7684\u548c\u4e3a<\/span>{<\/span>result}<\/span><\/span>'<\/span><\/span>)<\/span><\/p>\n

    \u6848\u4f8b: \u5b9e\u73b0\u7528\u6237\u767b\u5f55\u5224\u65ad<\/p>\n

    \u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801<\/p>\n

    \u5224\u65ad\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u5426\u6b63\u786e（username=\u2018admin\u2019，password=\u2018admin888\u2019）<\/p>\n

    \u767b\u5f55\u4ec5\u6709\u4e09\u6b21\u673a\u4f1a，\u8d85\u8fc73\u6b21\u4f1a\u62a5\u9519<\/p>\n

    name =<\/span> 'admin'<\/span>
    \npassword =<\/span> '123456'<\/span><\/p>\n

    # 3\u6b21\u673a\u4f1a,\u5faa\u73af3\u6b21<\/span>
    \nfor<\/span> i in<\/span> range<\/span>(<\/span>3<\/span>)<\/span>:<\/span>
    \n user_name =<\/span> input<\/span>(<\/span>'\u8bf7\u8f93\u5165\u7528\u6237\u59d3\u540d: '<\/span>)<\/span>
    \n user_password =<\/span> input<\/span>(<\/span>'\u8bf7\u8f93\u5165\u7528\u6237\u5bc6\u7801: '<\/span>)<\/span>
    \n if<\/span> user_name ==<\/span> name and<\/span> user_password ==<\/span> password:<\/span>
    \n print<\/span>(<\/span>f'\u767b\u9646\u6210\u529f,\u6b22\u8fce\u60a8<\/span>{<\/span>user_name}<\/span><\/span>'<\/span><\/span>)<\/span>
    \n else<\/span>:<\/span>
    \n # \u5728i=32\u65f6,\u4e3a\u6700\u540e\u4e00\u6b21\u673a\u4f1a<\/span>
    \n if<\/span> i ==<\/span> 2<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u5f55\u5165\u6709\u8bef,\u60a8\u5c06\u88ab\u9501\u5b9a'<\/span>)<\/span>
    \n else<\/span>:<\/span>
    \n print<\/span>(<\/span>f'\u5f55\u5165\u6709\u8bef,\u60a8\u8fd8\u6709<\/span>{<\/span>2<\/span> –<\/span> i}<\/span><\/span>\u6b21\u673a\u4f1a'<\/span><\/span>)<\/span><\/p>\n

    for\u5faa\u73af\u4e2d\u7684else\u7ed3\u6784<\/h3>\n

    \u57fa\u672c\u8bed\u6cd5:<\/p>\n

    for<\/span> \u4e34\u65f6\u53d8\u91cf in<\/span> \u5e8f\u5217:<\/span>
    \n \u5faa\u73af\u4f53
    \nelse<\/span>:<\/span>
    \n \u5f53for<\/span>\u5faa\u73af\u6b63\u5e38\u7ed3\u675f\u540e，\u8fd4\u56de\u7684\u4ee3\u7801<\/p>\n

    break\u5173\u952e\u5b57\u5bf9for\u2026else\u7ed3\u6784\u7684\u5f71\u54cd<\/p>\n

    str1 =<\/span> 'itheima'<\/span>
    \nfor<\/span> i in<\/span> str1:<\/span>
    \n if<\/span> i ==<\/span> 'e'<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u9047e\u4e0d\u6253\u5370'<\/span>)<\/span>
    \n break<\/span>
    \n print<\/span>(<\/span>i)<\/span>
    \nelse<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u5faa\u73af\u6b63\u5e38\u7ed3\u675f\u4e4b\u540e\u6267\u884c\u7684\u4ee3\u7801'<\/span>)<\/span><\/p>\n

    continue\u5173\u952e\u5b57\u5bf9for\u2026else\u7ed3\u6784\u7684\u5f71\u54cd<\/p>\n

    str1 =<\/span> 'itheima'<\/span>
    \nfor<\/span> i in<\/span> str1:<\/span>
    \n if<\/span> i ==<\/span> 'e'<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u9047e\u4e0d\u6253\u5370'<\/span>)<\/span>
    \n continue<\/span>
    \n print<\/span>(<\/span>i)<\/span>
    \nelse<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u5faa\u73af\u6b63\u5e38\u7ed3\u675f\u4e4b\u540e\u6267\u884c\u7684\u4ee3\u7801'<\/span>)<\/span><\/p>\n

    \u603b\u7ed3:<\/p>\n

  • for\u5faa\u73af\u4e2d\u7684else\u7ed3\u6784\u5728\u5faa\u73af\u6b63\u5e38\u7ed3\u675f\u540e\u6267\u884c<\/li>\n
  • \u5982\u679c\u5faa\u73af\u88abbreak\u7ec8\u6b62，\u5219else\u7ed3\u6784\u4e0d\u4f1a\u6267\u884c<\/li>\n
  • continue\u5173\u952e\u8bcd\u4e0d\u4f1a\u5f71\u54cdelse\u7ed3\u6784\u7684\u6267\u884c，else\u7ed3\u6784\u4ecd\u7136\u4f1a\u5728\u5faa\u73af\u6b63\u5e38\u7ed3\u675f\u540e\u6267\u884c<\/li>\n

    \u6848\u4f8b: \u5224\u65ad\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5b58\u5728\u7a7a\u683c<\/p>\n

    # \u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32<\/span>
    \ns =<\/span> "jfjfojewojfoo"<\/span>
    \n# \u5faa\u73af\u8fd9\u4e2a\u5b57\u7b26\u4e32<\/span>
    \nfor<\/span> i in<\/span> s:<\/span>
    \n # \u5224\u65ad\u662f\u5426\u5b58\u5728\u7a7a\u683c<\/span>
    \n if<\/span> i ==<\/span> ' '<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u53d1\u73b0\u7a7a\u683c,\u9000\u51fa\u5faa\u73af'<\/span>)<\/span>
    \n break<\/span>
    \nelse<\/span>:<\/span>
    \n print<\/span>(<\/span>'\u6ca1\u6709\u53d1\u73b0\u7a7a\u683c'<\/span>)<\/span><\/p>\n

    <\/h3>\n","protected":false},"excerpt":{"rendered":"

    Python\u4e2d\u7684\u5faa\u73af
    \n\u4ec0\u4e48\u662f\u5faa\u73af
    \n\u6709\u6761\u4ef6\u5730\u91cd\u590d\u7684\u5730\u505a\u4e00\u4ef6\u4e8b\u60c5,\u6bcf\u4e00\u6b21\u505a\u7684\u4e8b\u60c5\u4e0d\u540c\u4f46\u7c7b\u4f3c
    \n\u5faa\u73af\u7684\u4f5c\u7528
    \n\u8ba9\u4ee3\u7801\u9ad8\u6548\u7684\u91cd\u590d\u6267\u884c
    \n\u5faa\u73af\u7684\u79cd\u7c7b
    \n\u5728Python\u4e2d,\u5faa\u73af\u4e00\u5171\u5206\u4e3a\u4e24\u5927\u7c7b: while\u5faa\u73af\u4e0efor\u5faa\u73af
    \nwhile\u5faa\u73af\u548cfor\u5faa\u73af\u5982\u4f55\u9009\u62e9?
    \n\u5bf9\u4e8e\u5faa\u73af\u6b21\u6570\u56fa\u5b9a(\u5df2\u77e5)\u60c5\u51b5\u4e0b,\u5efa\u8bae\u4f7f\u7528for\u5faa\u73af,\u4f8b\u5982:1~100\u5faa\u73af\u5bf9\u4e8e\u5faa\u73af\u6b21\u6570\u672a\u77e5(\u4e0d\u786e\u5b9a)\u7684\u60c5\u51b5\u4e0b,\u5efa\u8bae\u4f7f\u7528while\u5faa\u73af,\u4f8b\u5982:\u731c\u6570\u5b57\u6e38\u620f
    \nwhile\u5faa\u73af\u57fa\u672c\u8bed\u6cd5\u53ca\u5176\u5bf9\u5e94
    \nwhile\u5faa\u73af\u7684\u57fa\u672c\u8bed\u6cd5
    \n# \u4e09\u6b65\u8d70
    \n# step1: \u521d<\/p>\n","protected":false},"author":2,"featured_media":69793,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,190],"topic":[],"class_list":["post-69794","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-python","tag-190"],"yoast_head":"\npython\u4e2d\u7684\u5faa\u73af - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/69794.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"python\u4e2d\u7684\u5faa\u73af - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"Python\u4e2d\u7684\u5faa\u73af \u4ec0\u4e48\u662f\u5faa\u73af \u6709\u6761\u4ef6\u5730\u91cd\u590d\u7684\u5730\u505a\u4e00\u4ef6\u4e8b\u60c5,\u6bcf\u4e00\u6b21\u505a\u7684\u4e8b\u60c5\u4e0d\u540c\u4f46\u7c7b\u4f3c \u5faa\u73af\u7684\u4f5c\u7528 \u8ba9\u4ee3\u7801\u9ad8\u6548\u7684\u91cd\u590d\u6267\u884c \u5faa\u73af\u7684\u79cd\u7c7b \u5728Python\u4e2d,\u5faa\u73af\u4e00\u5171\u5206\u4e3a\u4e24\u5927\u7c7b: while\u5faa\u73af\u4e0efor\u5faa\u73af while\u5faa\u73af\u548cfor\u5faa\u73af\u5982\u4f55\u9009\u62e9? 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