{"id":971571,"date":"2024-12-27T05:36:10","date_gmt":"2024-12-26T21:36:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/971571.html"},"modified":"2024-12-27T05:36:12","modified_gmt":"2024-12-26T21:36:12","slug":"python%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9%e5%88%97%e8%a1%a8%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/971571.html","title":{"rendered":"python\u5982\u4f55\u4fee\u6539\u5217\u8868\u5143\u7d20"},"content":{"rendered":"

\"python\u5982\u4f55\u4fee\u6539\u5217\u8868\u5143\u7d20\"<\/p>\n

\u8981\u4fee\u6539Python\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u3001\u5207\u7247\u548c\u5217\u8868\u65b9\u6cd5\u7b49\u591a\u79cd\u65b9\u5f0f\u3002\u901a\u8fc7\u5217\u8868\u7d22\u5f15\u76f4\u63a5\u8d4b\u503c\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3001\u5207\u7247\u53ef\u4ee5\u7528\u4e8e\u6279\u91cf\u4fee\u6539\u591a\u4e2a\u5143\u7d20\u3001\u5217\u8868\u65b9\u6cd5\u5982insert<\/code>\u3001remove<\/code>\u7b49\u4e5f\u53ef\u4ee5\u7528\u6765\u8c03\u6574\u5217\u8868\u3002<\/strong> \u5176\u4e2d\uff0c\u7d22\u5f15\u8d4b\u503c<\/strong>\u662f\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u6307\u5b9a\u5143\u7d20\u5728\u5217\u8868\u4e2d\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u5feb\u901f\u4fee\u6539\u5176\u503c\u3002\u4f8b\u5982\uff0cmy_list[0] = 10<\/code>\u5c06\u5217\u8868my_list<\/code>\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u4fee\u6539\u4e3a10<\/code>\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7d22\u5f15\u8d4b\u503c<\/p>\n<\/p>\n

\u4f7f\u7528\u7d22\u5f15\u8d4b\u503c\u662f\u4fee\u6539\u5217\u8868\u5143\u7d20\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u77e5\u9053\u5143\u7d20\u5728\u5217\u8868\u4e2d\u7684\u4f4d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<\/p>\n

    \n
  1. \n

    \u5355\u4e2a\u5143\u7d20\u4fee\u6539<\/strong><\/p>\n<\/p>\n

    \u5728Python\u4e2d\uff0c\u5217\u8868\u662f\u53ef\u53d8\u7684\u6570\u636e\u7ed3\u6784\uff0c\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u7d22\u5f15\u6765\u4fee\u6539\u5176\u5143\u7d20\u3002\u5047\u8bbe\u6709\u4e00\u4e2a\u5217\u8868my_list = [1, 2, 3, 4, 5]<\/code>\uff0c\u8981\u5c06\u7b2c\u4e8c\u4e2a\u5143\u7d20\u4fee\u6539\u4e3a10<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n

    my_list[1] = 10<\/p>\n
    print(my_list)  # \u8f93\u51fa\uff1a[1, 10, 3, 4, 5]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7b80\u5355\u76f4\u89c2\uff0c\u53ea\u9700\u77e5\u9053\u8981\u4fee\u6539\u5143\u7d20\u7684\u7d22\u5f15\u4f4d\u7f6e\u5373\u53ef\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u591a\u4e2a\u5143\u7d20\u4fee\u6539<\/strong><\/p>\n<\/p>\n
    \u4f7f\u7528\u7d22\u5f15\u4e5f\u53ef\u4ee5\u540c\u65f6\u4fee\u6539\u591a\u4e2a\u5143\u7d20\u3002\u5047\u8bbe\u9700\u8981\u5c06\u5217\u8868\u4e2d\u7684\u7b2c\u4e8c\u548c\u7b2c\u4e09\u4e2a\u5143\u7d20\u540c\u65f6\u4fee\u6539\uff1a<\/p>\n<\/p>\n
    my_list[1:3] = [20, 30]<\/p>\n
    print(my_list)  # \u8f93\u51fa\uff1a[1, 20, 30, 4, 5]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u8fdb\u884c\u6279\u91cf\u4fee\u6539\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u5207\u7247\u8d4b\u503c<\/p>\n<\/p>\n
    \u5207\u7247\u8d4b\u503c\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5728\u4e0d\u6539\u53d8\u5217\u8868\u957f\u5ea6\u7684\u60c5\u51b5\u4e0b\u4fee\u6539\u591a\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
      \n
    1. \n
      \u5207\u7247\u8d4b\u503c\u7684\u57fa\u672c\u7528\u6cd5<\/strong><\/p>\n<\/p>\n
      \u4f7f\u7528\u5207\u7247\u53ef\u4ee5\u540c\u65f6\u4fee\u6539\u4e00\u6bb5\u8fde\u7eed\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u8981\u5c06my_list<\/code>\u7684\u524d\u4e24\u4e2a\u5143\u7d20\u4fee\u6539\u4e3a[100, 200]<\/code>\uff1a<\/p>\n<\/p>\n
      my_list[:2] = [100, 200]<\/p>\n
      print(my_list)  # \u8f93\u51fa\uff1a[100, 200, 3, 4, 5]<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    2. \n
      \u5207\u7247\u8d4b\u503c\u66ff\u6362\u4e0d\u540c\u957f\u5ea6\u7684\u5217\u8868<\/strong><\/p>\n<\/p>\n
      \u5207\u7247\u8d4b\u503c\u4e0d\u4ec5\u53ef\u4ee5\u66ff\u6362\u7b49\u957f\u7684\u5143\u7d20\uff0c\u8fd8\u53ef\u4ee5\u7528\u957f\u4e8e\u6216\u77ed\u4e8e\u5207\u7247\u7684\u5217\u8868\u66ff\u6362\u3002\u5047\u8bbe\u8981\u5c06\u524d\u4e24\u4e2a\u5143\u7d20\u66ff\u6362\u4e3a\u4e09\u4e2a\u65b0\u5143\u7d20\uff1a<\/p>\n<\/p>\n
      my_list[:2] = [1000, 2000, 3000]<\/p>\n
      print(my_list)  # \u8f93\u51fa\uff1a[1000, 2000, 3000, 3, 4, 5]<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u8fd9\u4f1a\u81ea\u52a8\u8c03\u6574\u5217\u8868\u7684\u957f\u5ea6\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4f7f\u7528\u5217\u8868\u65b9\u6cd5<\/p>\n<\/p>\n
      \u9664\u4e86\u76f4\u63a5\u7d22\u5f15\u548c\u5207\u7247\uff0cPython\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5217\u8868\u65b9\u6cd5\u6765\u5e2e\u52a9\u7ba1\u7406\u548c\u4fee\u6539\u5217\u8868\u3002<\/p>\n<\/p>\n
        \n
      1. \n
        insert<\/code>\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n
        insert<\/code>\u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\uff0c\u800c\u4e0d\u66ff\u6362\u73b0\u6709\u5143\u7d20\u3002\u5047\u8bbe\u8981\u5728\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u65b0\u5143\u7d20\uff1a<\/p>\n<\/p>\n
        my_list.insert(1, 15)<\/p>\n
        print(my_list)  # \u8f93\u51fa\uff1a[1, 15, 2, 3, 4, 5]<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      2. \n
        remove<\/code>\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n
        remove<\/code>\u65b9\u6cd5\u7528\u4e8e\u5220\u9664\u5217\u8868\u4e2d\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u6307\u5b9a\u503c\u3002\u5047\u8bbe\u8981\u5220\u9664\u503c\u4e3a3<\/code>\u7684\u5143\u7d20\uff1a<\/p>\n<\/p>\n
        my_list.remove(3)<\/p>\n
        print(my_list)  # \u8f93\u51fa\uff1a[1, 2, 4, 5]<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      3. \n
        pop<\/code>\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n
        pop<\/code>\u65b9\u6cd5\u901a\u8fc7\u7d22\u5f15\u5220\u9664\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u8be5\u5143\u7d20\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b83\u5220\u9664\u5e76\u8fd4\u56de\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n<\/p>\n
        last_element = my_list.pop()<\/p>\n
        print(last_element)  # \u8f93\u51fa\uff1a5<\/p>\n
        print(my_list)       # \u8f93\u51fa\uff1a[1, 2, 3, 4]<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u5217\u8868\u63a8\u5bfc\u5f0f<\/p>\n<\/p>\n
        \u5217\u8868\u63a8\u5bfc\u5f0f\u662fPython\u4e2d\u4e00\u79cd\u7b80\u6d01\u4f18\u96c5\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u5bf9\u5217\u8868\u8fdb\u884c\u8f6c\u6362\u548c\u8fc7\u6ee4\u3002<\/p>\n<\/p>\n
          \n
        1. \n
          \u57fa\u672c\u7528\u6cd5<\/strong><\/p>\n<\/p>\n
          \u5047\u8bbe\u8981\u5c06\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4e58\u4ee52\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\uff1a<\/p>\n<\/p>\n
          my_list = [x * 2 for x in my_list]<\/p>\n
          print(my_list)  # \u8f93\u51fa\uff1a[2, 4, 6, 8, 10]<\/p>\n
          <\/code><\/pre>\n<\/p>\n<\/li>\n
        2. \n
          \u7ed3\u5408\u6761\u4ef6\u7684\u5217\u8868\u63a8\u5bfc\u5f0f<\/strong><\/p>\n<\/p>\n
          \u901a\u8fc7\u7ed3\u5408\u6761\u4ef6\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u5143\u7d20\u4fee\u6539\u3002\u4f8b\u5982\uff0c\u53ea\u5bf9\u5076\u6570\u8fdb\u884c\u4fee\u6539\uff1a<\/p>\n<\/p>\n
          my_list = [x * 2 if x % 2 == 0 else x for x in my_list]<\/p>\n
          print(my_list)  # \u8f93\u51fa\uff1a[1, 4, 3, 8, 5]<\/p>\n
          <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
          \u4e94\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/p>\n<\/p>\n
          \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5982NumPy<\/code>\u53ef\u4ee5\u7b80\u5316\u5bf9\u5927\u578b\u6570\u636e\u96c6\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
            \n
          1. \n
            NumPy\u6570\u7ec4<\/strong><\/p>\n<\/p>\n
            NumPy<\/code>\u63d0\u4f9b\u4e86\u66f4\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u529f\u80fd\u3002\u5047\u8bbe\u6709\u4e00\u4e2aNumPy<\/code>\u6570\u7ec4\uff1a<\/p>\n<\/p>\n
            import numpy as np<\/p>\n
            np_array = np.array([1, 2, 3, 4, 5])<\/p>\n
            np_array[1] = 10<\/p>\n
            print(np_array)  # \u8f93\u51fa\uff1a[ 1 10  3  4  5]<\/p>\n
            <\/code><\/pre>\n<\/p>\n<\/li>\n
          2. \n
            \u5143\u7d20\u7ea7\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n
            NumPy<\/code>\u5141\u8bb8\u5bf9\u6570\u7ec4\u8fdb\u884c\u5143\u7d20\u7ea7\u64cd\u4f5c\uff0c\u8fd9\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\u975e\u5e38\u6709\u7528\uff1a<\/p>\n<\/p>\n
            np_array = np_array * 2<\/p>\n
            print(np_array)  # \u8f93\u51fa\uff1a[ 2 20  6  8 10]<\/p>\n
            <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
            \u516d\u3001\u603b\u7ed3<\/p>\n<\/p>\n
            \u4fee\u6539Python\u5217\u8868\u5143\u7d20\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u5305\u62ec\u76f4\u63a5\u7684\u7d22\u5f15\u8d4b\u503c\u3001\u5207\u7247\u8d4b\u503c\u3001\u4ee5\u53ca\u4f7f\u7528\u5217\u8868\u65b9\u6cd5\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u7b49\u3002\u5728\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u65f6\uff0c\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u573a\u666f\u8fdb\u884c\u9009\u62e9\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u6548\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u7684\u573a\u5408\uff0c\u7b2c\u4e09\u65b9\u5e93\u5982NumPy<\/code>\u63d0\u4f9b\u4e86\u66f4\u4e3a\u5f3a\u5927\u7684\u529f\u80fd\u3002\u65e0\u8bba\u54ea\u79cd\u65b9\u6cd5\uff0c\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\u5c06\u6709\u52a9\u4e8e\u66f4\u9ad8\u6548\u5730\u64cd\u4f5c\u548c\u7ba1\u7406\u5217\u8868\u6570\u636e\u3002<\/p>\n<\/p>\n
            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
             \u5982\u4f55\u5728Python\u4e2d\u8bbf\u95ee\u548c\u4fee\u6539\u5217\u8868\u7684\u7279\u5b9a\u5143\u7d20\uff1f<\/strong>
            \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5217\u8868\u7684\u5143\u7d20\u3002\u7d22\u5f15\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a0\u3002\u8981\u4fee\u6539\u67d0\u4e2a\u5143\u7d20\uff0c\u53ea\u9700\u6307\u5b9a\u5176\u7d22\u5f15\u5e76\u8d4b\u4e88\u4e00\u4e2a\u65b0\u503c\uff0c\u4f8b\u5982\uff1amy_list[0] = '\u65b0\u503c'<\/code>\uff0c\u8fd9\u5c06\u628a\u5217\u8868\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\u66f4\u6539\u4e3a\u201c\u65b0\u503c\u201d\u3002<\/p>\n
            Python\u5217\u8868\u4e2d\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u6279\u91cf\u4fee\u6539\u591a\u4e2a\u5143\u7d20\uff1f<\/strong>
            \u53ef\u4ee5\u4f7f\u7528\u5207\u7247\uff08slicing\uff09\u6280\u672f\u6765\u6279\u91cf\u4fee\u6539\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6709\u4e00\u4e2a\u5217\u8868my_list = [1, 2, 3, 4, 5]<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u6765\u66f4\u65b0\u591a\u4e2a\u5143\u7d20\uff1amy_list[1:4] = [8, 9, 10]<\/code>\uff0c\u8fd9\u5c06\u628a\u5217\u8868\u4e2d\u7684\u7b2c\u4e8c\u5230\u7b2c\u56db\u4e2a\u5143\u7d20\u6539\u4e3a8\u30019\u548c10\u3002<\/p>\n
            \u5728Python\u4e2d\uff0c\u5982\u4f55\u786e\u4fdd\u4fee\u6539\u5217\u8868\u5143\u7d20\u65f6\u4e0d\u5f71\u54cd\u539f\u59cb\u6570\u636e\uff1f<\/strong>
            \u5982\u679c\u5e0c\u671b\u5728\u4fee\u6539\u5217\u8868\u5143\u7d20\u65f6\u4e0d\u5f71\u54cd\u539f\u59cb\u6570\u636e\uff0c\u53ef\u4ee5\u521b\u5efa\u5217\u8868\u7684\u526f\u672c\u3002\u4f7f\u7528\u5207\u7247\u6216copy<\/code>\u65b9\u6cd5\u5747\u53ef\u5b9e\u73b0\u3002\u4f8b\u5982\uff0cnew_list = my_list[:]<\/code>\u6216new_list = my_list.copy()<\/code>\uff0c\u4e4b\u540e\u5bf9new_list<\/code>\u8fdb\u884c\u4fee\u6539\uff0c\u8fd9\u6837\u539f\u59cb\u7684my_list<\/code>\u5c06\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u4fee\u6539Python\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u3001\u5207\u7247\u548c\u5217\u8868\u65b9\u6cd5\u7b49\u591a\u79cd\u65b9\u5f0f\u3002\u901a\u8fc7\u5217\u8868\u7d22\u5f15\u76f4\u63a5\u8d4b\u503c\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3001\u5207 […]","protected":false},"author":3,"featured_media":971576,"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\/971571"}],"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=971571"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971571\/revisions"}],"predecessor-version":[{"id":971577,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971571\/revisions\/971577"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/971576"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=971571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=971571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=971571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}