{"id":1071150,"date":"2025-01-08T11:04:44","date_gmt":"2025-01-08T03:04:44","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1071150.html"},"modified":"2025-01-08T11:04:46","modified_gmt":"2025-01-08T03:04:46","slug":"python%e5%88%97%e8%a1%a8%e5%a6%82%e4%bd%95%e6%8f%92%e5%85%a5%e4%b8%80%e4%b8%aa%e5%85%83%e7%b4%a0-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1071150.html","title":{"rendered":"python\u5217\u8868\u5982\u4f55\u63d2\u5165\u4e00\u4e2a\u5143\u7d20"},"content":{"rendered":"

\"python\u5217\u8868\u5982\u4f55\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\"<\/p>\n

PYTHON\u5217\u8868\u5982\u4f55\u63d2\u5165\u4e00\u4e2a\u5143\u7d20<\/h3>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u5411\u5217\u8868\u4e2d\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u3001append()<\/code>\u65b9\u6cd5\u3001\u5217\u8868\u5207\u7247\u7b49\u3002\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3001append()<\/code>\u65b9\u6cd5\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u672b\u5c3e\u3001\u5217\u8868\u5207\u7247\u53ef\u4ee5\u5728\u5217\u8868\u7684\u4efb\u4f55\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20<\/strong>\u3002\u5176\u4e2d\uff0cinsert()<\/code>\u65b9\u6cd5\u662f\u8f83\u4e3a\u5e38\u7528\u4e14\u7075\u6d3b\u7684\u4e00\u79cd\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u6211\u4eec\u5728\u5217\u8868\u7684\u4efb\u610f\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u5c55\u5f00\u8fd9\u79cd\u65b9\u6cd5\uff0c\u5e76\u8fdb\u4e00\u6b65\u4ecb\u7ecd\u5176\u4ed6\u63d2\u5165\u5143\u7d20\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n

insert()<\/code>\u65b9\u6cd5\u662fPython\u5217\u8868\u5185\u7f6e\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u5728\u5217\u8868\u7684\u4efb\u610f\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u3002\u8be5\u65b9\u6cd5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

list.insert(index, element)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5176\u4e2d\uff0cindex<\/code>\u662f\u63d2\u5165\u4f4d\u7f6e\u7684\u7d22\u5f15\uff0celement<\/code>\u662f\u5f85\u63d2\u5165\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
my_list = [1, 2, 3, 4]<\/p>\n
my_list.insert(2, 'a')<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u5728\u7d22\u5f152\u7684\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20'a'<\/code>\uff0c\u7ed3\u679c\u4e3a[1, 2, 'a', 3, 4]<\/code>\u3002<\/p>\n<\/p>\n
\u8be6\u7ec6\u89e3\u91cainsert()<\/code>\u65b9\u6cd5<\/h4>\n<\/p>\n
    \n
  1. \n
    \u6307\u5b9a\u63d2\u5165\u4f4d\u7f6e<\/strong>\uff1a<\/p>\n
    insert()<\/code>\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u901a\u8fc7\u7d22\u5f15\u6307\u5b9a\u63d2\u5165\u4f4d\u7f6e\u3002\u7d22\u5f15\u53ef\u4ee5\u662f\u6b63\u6570\uff0c\u4e5f\u53ef\u4ee5\u662f\u8d1f\u6570\u3002\u6b63\u6570\u7d22\u5f15\u4ece\u5217\u8868\u7684\u5f00\u5934\u5f00\u59cb\u8ba1\u7b97\uff0c\u8d1f\u6570\u7d22\u5f15\u4ece\u5217\u8868\u7684\u672b\u5c3e\u5f00\u59cb\u8ba1\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    my_list = [1, 2, 3, 4]<\/p>\n
    my_list.insert(-1, 'b')  # \u5728\u5012\u6570\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\u63d2\u5165'b'<\/p>\n
    print(my_list)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u7ed3\u679c\u4e3a[1, 2, 3, 'b', 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u63d2\u5165\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
    \u867d\u7136insert()<\/code>\u65b9\u6cd5\u6bcf\u6b21\u53ea\u80fd\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u6216\u8005\u5176\u4ed6\u65b9\u5f0f\u5b9e\u73b0\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    my_list = [1, 2, 3, 4]<\/p>\n
    for element in ['a', 'b', 'c']:<\/p>\n
        my_list.insert(2, element)<\/p>\n
    print(my_list)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u7ed3\u679c\u4e3a[1, 2, 'c', 'b', 'a', 3, 4]<\/code>\uff0c\u56e0\u4e3a\u6bcf\u6b21\u63d2\u5165\u90fd\u5c06\u540e\u7eed\u5143\u7d20\u5411\u540e\u79fb\u52a8\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
    append()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002\u8be5\u65b9\u6cd5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
    list.append(element)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    my_list = [1, 2, 3, 4]<\/p>\n
    my_list.append(5)<\/p>\n
    print(my_list)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u7ed3\u679c\u4e3a[1, 2, 3, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n
    \u8be6\u7ec6\u89e3\u91caappend()<\/code>\u65b9\u6cd5<\/h4>\n<\/p>\n
      \n
    1. \n
      \u6dfb\u52a0\u5355\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
      append()<\/code>\u65b9\u6cd5\u6bcf\u6b21\u53ea\u80fd\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\u5230\u5217\u8868\u672b\u5c3e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      my_list = [1, 2, 3]<\/p>\n
      my_list.append(4)<\/p>\n
      print(my_list)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u7ed3\u679c\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
    2. \n
      \u6dfb\u52a0\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
      \u901a\u8fc7\u5faa\u73af\u6216\u8005\u5217\u8868\u6269\u5c55\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      my_list = [1, 2, 3]<\/p>\n
      my_list.append([4, 5])<\/p>\n
      print(my_list)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u7ed3\u679c\u4e3a[1, 2, 3, [4, 5]]<\/code>\uff0c\u6ce8\u610f\u8fd9\u91cc\u662f\u5c06\u6574\u4e2a\u5217\u8868\u4f5c\u4e3a\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4f7f\u7528\u5217\u8868\u5207\u7247\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
      \u5217\u8868\u5207\u7247\u662f\u4e00\u79cd\u7075\u6d3b\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u5217\u8868\u7684\u4efb\u4f55\u4f4d\u7f6e\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u4f7f\u7528\u5207\u7247\u63d2\u5165\u5143\u7d20\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
      list[index:index] = [elements]<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      my_list = [1, 2, 3, 4]<\/p>\n
      my_list[2:2] = ['a', 'b']<\/p>\n
      print(my_list)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u7ed3\u679c\u4e3a[1, 2, 'a', 'b', 3, 4]<\/code>\u3002<\/p>\n<\/p>\n
      \u8be6\u7ec6\u89e3\u91ca\u5217\u8868\u5207\u7247\u63d2\u5165\u5143\u7d20<\/h4>\n<\/p>\n
        \n
      1. \n
        \u6307\u5b9a\u63d2\u5165\u4f4d\u7f6e<\/strong>\uff1a<\/p>\n
        \u5207\u7247\u8bed\u6cd5\u5141\u8bb8\u6211\u4eec\u6307\u5b9a\u63d2\u5165\u4f4d\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
        my_list = [1, 2, 3, 4]<\/p>\n
        my_list[1:1] = ['x', 'y']<\/p>\n
        print(my_list)<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u7ed3\u679c\u4e3a[1, 'x', 'y', 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
      2. \n
        \u63d2\u5165\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
        \u5207\u7247\u8bed\u6cd5\u53ef\u4ee5\u540c\u65f6\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
        my_list = [1, 2, 3]<\/p>\n
        my_list[1:1] = ['a', 'b', 'c']<\/p>\n
        print(my_list)<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u7ed3\u679c\u4e3a[1, 'a', 'b', 'c', 2, 3]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u4f7f\u7528\u5217\u8868\u7684\u52a0\u6cd5\u64cd\u4f5c\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
        \u9664\u4e86\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u7684\u52a0\u6cd5\u64cd\u4f5c\u7b26+<\/code>\u5b9e\u73b0\u5143\u7d20\u63d2\u5165\u3002\u8be5\u65b9\u6cd5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
        new_list = list[:index] + [element] + list[index:]<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u4f8b\u5982\uff1a<\/p>\n<\/p>\n
        my_list = [1, 2, 3, 4]<\/p>\n
        new_list = my_list[:2] + ['a'] + my_list[2:]<\/p>\n
        print(new_list)<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u7ed3\u679c\u4e3a[1, 2, 'a', 3, 4]<\/code>\u3002<\/p>\n<\/p>\n
        \u8be6\u7ec6\u89e3\u91ca\u5217\u8868\u52a0\u6cd5\u64cd\u4f5c\u63d2\u5165\u5143\u7d20<\/h4>\n<\/p>\n
          \n
        1. \n
          \u6307\u5b9a\u63d2\u5165\u4f4d\u7f6e<\/strong>\uff1a<\/p>\n
          \u53ef\u4ee5\u901a\u8fc7\u5207\u7247\u6307\u5b9a\u63d2\u5165\u4f4d\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
          my_list = [1, 2, 3, 4]<\/p>\n
          new_list = my_list[:3] + ['b'] + my_list[3:]<\/p>\n
          print(new_list)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u7ed3\u679c\u4e3a[1, 2, 3, 'b', 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
        2. \n
          \u63d2\u5165\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
          \u901a\u8fc7\u4f7f\u7528\u5217\u8868\u6269\u5c55\u64cd\u4f5c\uff0c\u53ef\u4ee5\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
          my_list = [1, 2, 3]<\/p>\n
          new_list = my_list[:1] + ['x', 'y', 'z'] + my_list[1:]<\/p>\n
          print(new_list)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u7ed3\u679c\u4e3a[1, 'x', 'y', 'z', 2, 3]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
          \u4e94\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
          \u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
          my_list = [1, 2, 4, 5]<\/p>\n
          my_list = [x if x != 2 else [x, 'a'] for x in my_list]<\/p>\n
          my_list = [item for sublist in my_list for item in sublist]<\/p>\n
          print(my_list)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u7ed3\u679c\u4e3a[1, 2, 'a', 4, 5]<\/code>\u3002<\/p>\n<\/p>\n
          \u8be6\u7ec6\u89e3\u91ca\u5217\u8868\u63a8\u5bfc\u5f0f\u63d2\u5165\u5143\u7d20<\/h4>\n<\/p>\n
            \n
          1. \n
            \u63d2\u5165\u6761\u4ef6\u63a7\u5236<\/strong>\uff1a<\/p>\n
            \u53ef\u4ee5\u901a\u8fc7\u6761\u4ef6\u63a7\u5236\u63d2\u5165\u4f4d\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
            my_list = [1, 3, 4]<\/p>\n
            my_list = [x if x != 3 else [x, 'b'] for x in my_list]<\/p>\n
            my_list = [item for sublist in my_list for item in sublist]<\/p>\n
            print(my_list)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u7ed3\u679c\u4e3a[1, 3, 'b', 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
          2. \n
            \u63d2\u5165\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
            \u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u548c\u6761\u4ef6\u8bed\u53e5\uff0c\u53ef\u4ee5\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
            my_list = [1, 3, 5]<\/p>\n
            my_list = [x if x != 3 else [x, 'c', 'd'] for x in my_list]<\/p>\n
            my_list = [item for sublist in my_list for item in sublist]<\/p>\n
            print(my_list)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u7ed3\u679c\u4e3a[1, 3, 'c', 'd', 5]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
            \u516d\u3001\u4f7f\u7528extend()<\/code>\u65b9\u6cd5\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
            extend()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u53e6\u4e00\u4e2a\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5f53\u524d\u5217\u8868\u4e2d\u3002\u8be5\u65b9\u6cd5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
            list.extend(iterable)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u4f8b\u5982\uff1a<\/p>\n<\/p>\n
            my_list = [1, 2, 3]<\/p>\n
            my_list.extend([4, 5])<\/p>\n
            print(my_list)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u7ed3\u679c\u4e3a[1, 2, 3, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n
            \u8be6\u7ec6\u89e3\u91caextend()<\/code>\u65b9\u6cd5<\/h4>\n<\/p>\n
              \n
            1. \n
              \u6dfb\u52a0\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
              extend()<\/code>\u65b9\u6cd5\u5c06\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u672b\u5c3e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
              my_list = [1, 2]<\/p>\n
              my_list.extend([3, 4, 5])<\/p>\n
              print(my_list)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u7ed3\u679c\u4e3a[1, 2, 3, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
            2. \n
              \u4e0eappend()<\/code>\u7684\u533a\u522b<\/strong>\uff1a<\/p>\n
              append()<\/code>\u65b9\u6cd5\u6dfb\u52a0\u7684\u662f\u4e00\u4e2a\u5143\u7d20\uff0c\u800cextend()<\/code>\u65b9\u6cd5\u6dfb\u52a0\u7684\u662f\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
              my_list = [1, 2]<\/p>\n
              my_list.append([3, 4])<\/p>\n
              print(my_list)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u7ed3\u679c\u4e3a[1, 2, [3, 4]]<\/code>\u3002\u800c\u4f7f\u7528extend()<\/code>\u65b9\u6cd5\u7ed3\u679c\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
              \u4e03\u3001\u4f7f\u7528+<\/code>\u8fd0\u7b97\u7b26\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
              \u53ef\u4ee5\u4f7f\u7528+<\/code>\u8fd0\u7b97\u7b26\u5c06\u4e24\u4e2a\u5217\u8868\u8fde\u63a5\u8d77\u6765\uff0c\u4ece\u800c\u5b9e\u73b0\u63d2\u5165\u5143\u7d20\u7684\u6548\u679c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
              my_list = [1, 2, 4, 5]<\/p>\n
              new_list = my_list[:2] + [3] + my_list[2:]<\/p>\n
              print(new_list)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u7ed3\u679c\u4e3a[1, 2, 3, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n
              \u8be6\u7ec6\u89e3\u91ca+<\/code>\u8fd0\u7b97\u7b26\u63d2\u5165\u5143\u7d20<\/h4>\n<\/p>\n
                \n
              1. \n
                \u5206\u5272\u5217\u8868<\/strong>\uff1a<\/p>\n
                \u4f7f\u7528\u5207\u7247\u5c06\u5217\u8868\u5206\u5272\uff0c\u7136\u540e\u518d\u8fde\u63a5\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                my_list = [1, 3, 4]<\/p>\n
                new_list = my_list[:1] + [2] + my_list[1:]<\/p>\n
                print(new_list)<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u7ed3\u679c\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
              2. \n
                \u63d2\u5165\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
                \u4f7f\u7528+<\/code>\u8fd0\u7b97\u7b26\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                my_list = [1, 4]<\/p>\n
                new_list = my_list[:1] + [2, 3] + my_list[1:]<\/p>\n
                print(new_list)<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u7ed3\u679c\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
                \u516b\u3001\u4f7f\u7528deque<\/code>\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
                collections.deque<\/code>\u662f\u4e00\u4e2a\u53cc\u7aef\u961f\u5217\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u5728\u4e24\u7aef\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                from collections import deque<\/p>\n
                my_deque = deque([1, 2, 4, 5])<\/p>\n
                my_deque.insert(2, 3)<\/p>\n
                print(list(my_deque))<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u7ed3\u679c\u4e3a[1, 2, 3, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n
                \u8be6\u7ec6\u89e3\u91cadeque<\/code>\u63d2\u5165\u5143\u7d20<\/h4>\n<\/p>\n
                  \n
                1. \n
                  \u9ad8\u6548\u63d2\u5165<\/strong>\uff1a<\/p>\n
                  deque<\/code>\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                  from collections import deque<\/p>\n
                  my_deque = deque([1, 3, 4])<\/p>\n
                  my_deque.insert(1, 2)<\/p>\n
                  print(list(my_deque))<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u7ed3\u679c\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
                2. \n
                  \u5728\u4e24\u7aef\u63d2\u5165<\/strong>\uff1a<\/p>\n
                  deque<\/code>\u5141\u8bb8\u5728\u4e24\u7aef\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                  from collections import deque<\/p>\n
                  my_deque = deque([2, 3])<\/p>\n
                  my_deque.appendleft(1)<\/p>\n
                  my_deque.append(4)<\/p>\n
                  print(list(my_deque))<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u7ed3\u679c\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
                  \u4e5d\u3001\u4f7f\u7528numpy<\/code>\u6570\u7ec4\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
                  \u5982\u679c\u5904\u7406\u7684\u662f\u6570\u503c\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528numpy<\/code>\u5e93\u7684insert()<\/code>\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                  import numpy as np<\/p>\n
                  my_array = np.array([1, 2, 4, 5])<\/p>\n
                  new_array = np.insert(my_array, 2, 3)<\/p>\n
                  print(new_array)<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u7ed3\u679c\u4e3a[1 2 3 4 5]<\/code>\u3002<\/p>\n<\/p>\n
                  \u8be6\u7ec6\u89e3\u91canumpy<\/code>\u63d2\u5165\u5143\u7d20<\/h4>\n<\/p>\n
                    \n
                  1. \n
                    \u6307\u5b9a\u63d2\u5165\u4f4d\u7f6e<\/strong>\uff1a<\/p>\n
                    numpy.insert()<\/code>\u5141\u8bb8\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                    import numpy as np<\/p>\n
                    my_array = np.array([1, 3, 4])<\/p>\n
                    new_array = np.insert(my_array, 1, 2)<\/p>\n
                    print(new_array)<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                    \u7ed3\u679c\u4e3a[1 2 3 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
                  2. \n
                    \u63d2\u5165\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
                    numpy.insert()<\/code>\u53ef\u4ee5\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                    import numpy as np<\/p>\n
                    my_array = np.array([1, 4])<\/p>\n
                    new_array = np.insert(my_array, 1, [2, 3])<\/p>\n
                    print(new_array)<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                    \u7ed3\u679c\u4e3a[1 2 3 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
                    \u5341\u3001\u4f7f\u7528itertools<\/code>\u63d2\u5165\u5143\u7d20<\/h3>\n<\/p>\n
                    itertools.chAI<\/a>n()<\/code>\u53ef\u4ee5\u5c06\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8fde\u63a5\u8d77\u6765\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                    import itertools<\/p>\n
                    my_list = [1, 2, 4, 5]<\/p>\n
                    new_list = list(itertools.chain(my_list[:2], [3], my_list[2:]))<\/p>\n
                    print(new_list)<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                    \u7ed3\u679c\u4e3a[1, 2, 3, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n
                    \u8be6\u7ec6\u89e3\u91caitertools.chain<\/code>\u63d2\u5165\u5143\u7d20<\/h4>\n<\/p>\n
                      \n
                    1. \n
                      \u8fde\u63a5\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61<\/strong>\uff1a<\/p>\n
                      itertools.chain()<\/code>\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                      import itertools<\/p>\n
                      my_list = [1, 3, 4]<\/p>\n
                      new_list = list(itertools.chain(my_list[:1], [2], my_list[1:]))<\/p>\n
                      print(new_list)<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                      \u7ed3\u679c\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
                    2. \n
                      \u63d2\u5165\u591a\u4e2a\u5143\u7d20<\/strong>\uff1a<\/p>\n
                      \u4f7f\u7528itertools.chain()<\/code>\u53ef\u4ee5\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                      import itertools<\/p>\n
                      my_list = [1, 4]<\/p>\n
                      new_list = list(itertools.chain(my_list[:1], [2, 3], my_list[1:]))<\/p>\n
                      print(new_list)<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                      \u7ed3\u679c\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
                      \u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5728Python\u5217\u8868\u4e2d\u63d2\u5165\u5143\u7d20\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
                      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                       \u5982\u4f55\u5728Python\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff1f<\/strong>
                      \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u3002\u8be5\u65b9\u6cd5\u7684\u8bed\u6cd5\u4e3alist.insert(index, element)<\/code>\uff0c\u5176\u4e2dindex<\/code>\u662f\u5143\u7d20\u8981\u63d2\u5165\u7684\u4f4d\u7f6e\uff0celement<\/code>\u662f\u8981\u63d2\u5165\u7684\u503c\u3002\u4f8b\u5982\uff0cmy_list.insert(2, 'new_item')<\/code>\u5c06\u5728\u7d22\u5f152\u7684\u4f4d\u7f6e\u63d2\u5165'new_item'\u3002<\/p>\n
                      \u5728Python\u4e2d\u4f7f\u7528\u5207\u7247\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u7684\u65b9\u5f0f\u662f\u4ec0\u4e48\uff1f<\/strong>
                      \u5982\u679c\u9700\u8981\u5728\u5217\u8868\u4e2d\u63d2\u5165\u591a\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u5229\u7528\u5207\u7247\u8d4b\u503c\u7684\u65b9\u5f0f\u3002\u901a\u8fc7\u6307\u5b9a\u5207\u7247\u7684\u8d77\u59cb\u7d22\u5f15\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5217\u8868\u8d4b\u503c\u5230\u53e6\u4e00\u4e2a\u5217\u8868\u7684\u67d0\u4e2a\u4f4d\u7f6e\u3002\u4f8b\u5982\uff0cmy_list[2:2] = ['item1', 'item2']<\/code>\u5c06\u628a'item1'\u548c'item2'\u63d2\u5165\u5230\u7d22\u5f152\u7684\u4f4d\u7f6e\u3002<\/p>\n
                      \u63d2\u5165\u5143\u7d20\u540e\uff0c\u5982\u4f55\u786e\u8ba4\u5217\u8868\u7684\u53d8\u5316\uff1f<\/strong>
                      \u5728\u63d2\u5165\u5143\u7d20\u540e\uff0c\u53ef\u4ee5\u76f4\u63a5\u6253\u5370\u5217\u8868\u6765\u67e5\u770b\u53d8\u5316\uff0c\u6216\u8005\u4f7f\u7528len()<\/code>\u51fd\u6570\u68c0\u67e5\u5217\u8868\u7684\u957f\u5ea6\u662f\u5426\u7b26\u5408\u9884\u671f\u3002\u5982\u679c\u9700\u8981\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5217\u8868\uff0c\u9010\u4e2a\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\uff0c\u4ee5\u786e\u8ba4\u63d2\u5165\u662f\u5426\u6210\u529f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"PYTHON\u5217\u8868\u5982\u4f55\u63d2\u5165\u4e00\u4e2a\u5143\u7d20 \u5728Python\u4e2d\uff0c\u5411\u5217\u8868\u4e2d\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528insert()\u65b9 […]","protected":false},"author":3,"featured_media":1071157,"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\/1071150"}],"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=1071150"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1071150\/revisions"}],"predecessor-version":[{"id":1071158,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1071150\/revisions\/1071158"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1071157"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1071150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1071150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1071150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}