{"id":1048364,"date":"2024-12-31T13:50:22","date_gmt":"2024-12-31T05:50:22","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1048364.html"},"modified":"2024-12-31T13:50:25","modified_gmt":"2024-12-31T05:50:25","slug":"python%e5%a6%82%e4%bd%95%e5%9c%a8%e7%a9%ba%e5%88%97%e8%a1%a8%e4%b8%ad%e5%8a%a0%e5%85%a5%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1048364.html","title":{"rendered":"python\u5982\u4f55\u5728\u7a7a\u5217\u8868\u4e2d\u52a0\u5165\u5143\u7d20"},"content":{"rendered":"

\"python\u5982\u4f55\u5728\u7a7a\u5217\u8868\u4e2d\u52a0\u5165\u5143\u7d20\"<\/p>\n

\u5728Python\u4e2d\u5411\u7a7a\u5217\u8868\u4e2d\u52a0\u5165\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528append()\u3001extend()\u3001insert()\u7b49\u65b9\u6cd5\u3002append()\u65b9\u6cd5\u6700\u5e38\u7528\uff0c\u5b83\u5c06\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002<\/strong><\/p>\n<\/p>\n

\u5411\u7a7a\u5217\u8868\u4e2d\u52a0\u5165\u5143\u7d20\u7684\u5e38\u89c1\u65b9\u6cd5\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1aappend()\u3001extend()\u3001insert()\u3002\u5176\u4e2d\uff0cappend()\u65b9\u6cd5\u662f\u6700\u5e38\u7528\u7684<\/strong>\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u53ca\u5176\u7528\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001APPEND() \u65b9\u6cd5<\/h3>\n<\/p>\n

append() \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u7684\u672b\u5c3e\u8ffd\u52a0\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\u3002<\/strong><\/p>\n<\/p>\n

\u4f7f\u7528\u65b9\u6cd5\uff1a<\/h4>\n<\/p>\n

# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528 append() \u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list.append(10)<\/p>\n
my_list.append('Python')<\/p>\n
my_list.append([1, 2, 3])<\/p>\n
print(my_list)  # \u8f93\u51fa: [10, 'Python', [1, 2, 3]]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cappend()<\/code> \u65b9\u6cd5\u5c06\u6574\u6570 10\u3001\u5b57\u7b26\u4e32 'Python' \u548c\u5217\u8868 [1, 2, 3]<\/code> \u4f9d\u6b21\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
\u4e8c\u3001EXTEND() \u65b9\u6cd5<\/h3>\n<\/p>\n
extend() \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u7684\u672b\u5c3e\u4e00\u6b21\u6027\u8ffd\u52a0\u53e6\u4e00\u4e2a\u5e8f\u5217\u4e2d\u7684\u591a\u4e2a\u5143\u7d20\u3002<\/strong><\/p>\n<\/p>\n
\u4f7f\u7528\u65b9\u6cd5\uff1a<\/h4>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528 extend() \u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list.extend([10, 20, 30])<\/p>\n
my_list.extend('Python')<\/p>\n
print(my_list)  # \u8f93\u51fa: [10, 20, 30, 'P', 'y', 't', 'h', 'o', 'n']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cextend()<\/code> \u65b9\u6cd5\u5c06\u5217\u8868 [10, 20, 30]<\/code> \u548c\u5b57\u7b26\u4e32 'Python' \u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4f9d\u6b21\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
\u4e09\u3001INSERT() \u65b9\u6cd5<\/h3>\n<\/p>\n
insert() \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\u3002<\/strong><\/p>\n<\/p>\n
\u4f7f\u7528\u65b9\u6cd5\uff1a<\/h4>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528 insert() \u65b9\u6cd5\u5728\u6307\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list.insert(0, 'Python')<\/p>\n
my_list.insert(1, 10)<\/p>\n
my_list.insert(1, [1, 2, 3])<\/p>\n
print(my_list)  # \u8f93\u51fa: ['Python', [1, 2, 3], 10]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cinsert()<\/code> \u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32 'Python' \u63d2\u5165\u5230\u7d22\u5f15 0 \u7684\u4f4d\u7f6e\uff0c\u5c06\u6574\u6570 10 \u63d2\u5165\u5230\u7d22\u5f15 1 \u7684\u4f4d\u7f6e\uff0c\u7136\u540e\u5c06\u5217\u8868 [1, 2, 3]<\/code> \u63d2\u5165\u5230\u7d22\u5f15 1 \u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u521b\u5efa\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5411\u7a7a\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002<\/strong><\/p>\n<\/p>\n
\u4f7f\u7528\u65b9\u6cd5\uff1a<\/h4>\n<\/p>\n
# \u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u5e76\u6dfb\u52a0\u5143\u7d20<\/p>\n
my_list = [x for x in range(5)]<\/p>\n
print(my_list)  # \u8f93\u51fa: [0, 1, 2, 3, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f [x for x in range(5)]<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b 0 \u5230 4 \u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e94\u3001+ \u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n
+ \u8fd0\u7b97\u7b26\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u5217\u8868\uff0c\u4ece\u800c\u5b9e\u73b0\u5411\u7a7a\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002<\/strong><\/p>\n<\/p>\n
\u4f7f\u7528\u65b9\u6cd5\uff1a<\/h4>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
my_list = []<\/p>\n
\u4f7f\u7528 + \u8fd0\u7b97\u7b26\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
my_list = my_list + [10, 20, 30]<\/p>\n
print(my_list)  # \u8f93\u51fa: [10, 20, 30]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c+<\/code> \u8fd0\u7b97\u7b26\u5c06\u5217\u8868 [10, 20, 30]<\/code> \u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
\u516d\u3001\u793a\u4f8b\u5e94\u7528<\/h3>\n<\/p>\n
\u793a\u4f8b\u4e00\uff1a\u4f7f\u7528 append() \u65b9\u6cd5<\/h4>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
fruits = []<\/p>\n
\u4f7f\u7528 append() \u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
fruits.append('Apple')<\/p>\n
fruits.append('Banana')<\/p>\n
fruits.append('Cherry')<\/p>\n
print(fruits)  # \u8f93\u51fa: ['Apple', 'Banana', 'Cherry']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u793a\u4f8b\u4e8c\uff1a\u4f7f\u7528 extend() \u65b9\u6cd5<\/h4>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
numbers = []<\/p>\n
\u4f7f\u7528 extend() \u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
numbers.extend([1, 2, 3])<\/p>\n
numbers.extend([4, 5, 6])<\/p>\n
print(numbers)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u793a\u4f8b\u4e09\uff1a\u4f7f\u7528 insert() \u65b9\u6cd5<\/h4>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
colors = []<\/p>\n
\u4f7f\u7528 insert() \u65b9\u6cd5\u5728\u6307\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
colors.insert(0, 'Red')<\/p>\n
colors.insert(1, 'Green')<\/p>\n
colors.insert(1, 'Blue')<\/p>\n
print(colors)  # \u8f93\u51fa: ['Red', 'Blue', 'Green']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
    \n
  1. append() \u65b9\u6cd5\u6bcf\u6b21\u53ea\u80fd\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20<\/strong>\uff0c\u5982\u679c\u9700\u8981\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 extend() \u65b9\u6cd5\u6216\u5217\u8868\u63a8\u5bfc\u5f0f\u3002<\/li>\n
  2. insert() \u65b9\u6cd5\u4f1a\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20<\/strong>\uff0c\u5e76\u5c06\u8be5\u4f4d\u7f6e\u53ca\u5176\u540e\u9762\u7684\u5143\u7d20\u4f9d\u6b21\u540e\u79fb\u3002\u56e0\u6b64\uff0c\u9891\u7e41\u4f7f\u7528 insert() \u65b9\u6cd5\u53ef\u80fd\u4f1a\u5f71\u54cd\u5217\u8868\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/li>\n
  3. \u4f7f\u7528 + \u8fd0\u7b97\u7b26\u8fde\u63a5\u5217\u8868\u65f6\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u5bf9\u8c61<\/strong>\uff0c\u56e0\u6b64\u53ef\u80fd\u4f1a\u5360\u7528\u66f4\u591a\u7684\u5185\u5b58\u3002<\/li>\n<\/ol>\n
    \u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
    \u5728Python\u4e2d\uff0c\u5411\u7a7a\u5217\u8868\u4e2d\u52a0\u5165\u5143\u7d20\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\uff0c\u5e38\u89c1\u7684\u6709 append()\u3001extend()\u3001insert()\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u548c + \u8fd0\u7b97\u7b26\u3002append() \u65b9\u6cd5\u662f\u6700\u5e38\u7528\u7684<\/strong>\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002extend() \u65b9\u6cd5\u7528\u4e8e\u4e00\u6b21\u6027\u8ffd\u52a0\u591a\u4e2a\u5143\u7d20\uff0c\u800c insert() \u65b9\u6cd5\u7528\u4e8e\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u548c + \u8fd0\u7b97\u7b26\u4e5f\u662f\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u64cd\u4f5c\u5217\u8868\uff0c\u6ee1\u8db3\u4e0d\u540c\u7684\u7f16\u7a0b\u9700\u6c42\u3002<\/p>\n<\/p>\n
    \u4e5d\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
    \u573a\u666f\u4e00\uff1a\u52a8\u6001\u751f\u6210\u5217\u8868<\/h4>\n<\/p>\n
    \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u6839\u636e\u7528\u6237\u8f93\u5165\u6216\u8ba1\u7b97\u7ed3\u679c\u52a8\u6001\u751f\u6210\u5217\u8868\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u8d2d\u7269\u8f66\u7cfb\u7edf\u4e2d\uff0c\u9700\u8981\u6839\u636e\u7528\u6237\u9009\u62e9\u7684\u5546\u54c1\u52a8\u6001\u751f\u6210\u8d2d\u7269\u8f66\u5217\u8868\u3002<\/p>\n<\/p>\n
    # \u7528\u6237\u9009\u62e9\u7684\u5546\u54c1<\/p>\n
    selected_items = ['Apple', 'Banana', 'Cherry']<\/p>\n
    \u521b\u5efa\u4e00\u4e2a\u7a7a\u8d2d\u7269\u8f66\u5217\u8868<\/strong><\/h2>\n
    shopping_cart = []<\/p>\n
    \u5c06\u7528\u6237\u9009\u62e9\u7684\u5546\u54c1\u6dfb\u52a0\u5230\u8d2d\u7269\u8f66\u5217\u8868<\/strong><\/h2>\n
    for item in selected_items:<\/p>\n
        shopping_cart.append(item)<\/p>\n
    print(shopping_cart)  # \u8f93\u51fa: ['Apple', 'Banana', 'Cherry']<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u573a\u666f\u4e8c\uff1a\u6279\u91cf\u5904\u7406\u6570\u636e<\/h4>\n<\/p>\n
    \u5728\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5c06\u591a\u4e2a\u6570\u636e\u9879\u6279\u91cf\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u4f8b\u5982\uff0c\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u9700\u8981\u5c06\u591a\u4e2a\u6570\u636e\u96c6\u5408\u5e76\u6210\u4e00\u4e2a\u5217\u8868\u3002<\/p>\n<\/p>\n
    # \u6570\u636e\u96c6<\/p>\n
    data_set1 = [1, 2, 3]<\/p>\n
    data_set2 = [4, 5, 6]<\/p>\n
    \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/strong><\/h2>\n
    merged_data = []<\/p>\n
    \u5c06\u591a\u4e2a\u6570\u636e\u96c6\u6dfb\u52a0\u5230\u5217\u8868\u4e2d<\/strong><\/h2>\n
    merged_data.extend(data_set1)<\/p>\n
    merged_data.extend(data_set2)<\/p>\n
    print(merged_data)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5341\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6cd5<\/h3>\n<\/p>\n
    \u95ee\u9898\u4e00\uff1a\u5217\u8868\u5143\u7d20\u91cd\u590d\u6dfb\u52a0<\/h4>\n<\/p>\n
    \u5982\u679c\u4e0d\u5c0f\u5fc3\u591a\u6b21\u8c03\u7528\u6dfb\u52a0\u65b9\u6cd5\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5217\u8868\u4e2d\u51fa\u73b0\u91cd\u590d\u7684\u5143\u7d20\u3002\u53ef\u4ee5\u5728\u6dfb\u52a0\u5143\u7d20\u524d\u68c0\u67e5\u5143\u7d20\u662f\u5426\u5df2\u7ecf\u5b58\u5728\u4e8e\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
    # \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
    unique_list = []<\/p>\n
    \u6dfb\u52a0\u5143\u7d20\u524d\u68c0\u67e5\u662f\u5426\u5df2\u7ecf\u5b58\u5728<\/strong><\/h2>\n
    def add_unique_element(element):<\/p>\n
        if element not in unique_list:<\/p>\n
            unique_list.append(element)<\/p>\n
    \u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
    add_unique_element(10)<\/p>\n
    add_unique_element(20)<\/p>\n
    add_unique_element(10)  # \u91cd\u590d\u6dfb\u52a0<\/p>\n
    print(unique_list)  # \u8f93\u51fa: [10, 20]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u95ee\u9898\u4e8c\uff1a\u5217\u8868\u987a\u5e8f\u6df7\u4e71<\/h4>\n<\/p>\n
    \u5728\u4f7f\u7528 insert() \u65b9\u6cd5\u65f6\uff0c\u53ef\u80fd\u4f1a\u56e0\u9891\u7e41\u63d2\u5165\u5bfc\u81f4\u5217\u8868\u987a\u5e8f\u6df7\u4e71\u3002\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 append() \u6216 extend() \u65b9\u6cd5\uff0c\u4fdd\u6301\u5143\u7d20\u6dfb\u52a0\u987a\u5e8f\u3002<\/p>\n<\/p>\n
    # \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
    ordered_list = []<\/p>\n
    \u6309\u987a\u5e8f\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
    ordered_list.append(10)<\/p>\n
    ordered_list.append(20)<\/p>\n
    ordered_list.append(30)<\/p>\n
    print(ordered_list)  # \u8f93\u51fa: [10, 20, 30]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5341\u4e00\u3001\u6027\u80fd\u4f18\u5316<\/h3>\n<\/p>\n
    \u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u5217\u8868\u64cd\u4f5c\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u9891\u7e41\u4f7f\u7528 insert() \u65b9\u6cd5\u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u56e0\u4e3a\u9700\u8981\u79fb\u52a8\u5927\u91cf\u5143\u7d20\u3002\u53ef\u4ee5\u4f18\u5148\u4f7f\u7528 append() \u548c extend() \u65b9\u6cd5\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u8fdb\u884c\u6279\u91cf\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
    import time<\/p>\n
    \u521b\u5efa\u4e00\u4e2a\u5927\u5217\u8868<\/strong><\/h2>\n
    large_list = list(range(1000000))<\/p>\n
    \u4f7f\u7528 insert() \u65b9\u6cd5\u63d2\u5165\u5143\u7d20<\/strong><\/h2>\n
    start_time = time.time()<\/p>\n
    for i in range(1000):<\/p>\n
        large_list.insert(0, i)<\/p>\n
    end_time = time.time()<\/p>\n
    print("\u4f7f\u7528 insert() \u65b9\u6cd5\u8017\u65f6:", end_time - start_time)<\/p>\n
    \u4f7f\u7528 append() \u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
    large_list = list(range(1000000))<\/p>\n
    start_time = time.time()<\/p>\n
    for i in range(1000):<\/p>\n
        large_list.append(i)<\/p>\n
    end_time = time.time()<\/p>\n
    print("\u4f7f\u7528 append() \u65b9\u6cd5\u8017\u65f6:", end_time - start_time)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6bd4\u8f83\u4e86\u4f7f\u7528 insert()<\/code> \u548c append()<\/code> \u65b9\u6cd5\u6dfb\u52a0\u5143\u7d20\u7684\u8017\u65f6\u60c5\u51b5\u3002\u53ef\u4ee5\u770b\u5230\uff0cappend()<\/code> \u65b9\u6cd5\u5728\u5904\u7406\u5927\u5217\u8868\u65f6\u6548\u7387\u66f4\u9ad8\u3002<\/p>\n<\/p>\n
    \u5341\u4e8c\u3001\u8fdb\u9636\u5e94\u7528<\/h3>\n<\/p>\n
    \u5e94\u7528\u4e00\uff1a\u57fa\u4e8e\u6761\u4ef6\u52a8\u6001\u6dfb\u52a0\u5143\u7d20<\/h4>\n<\/p>\n
    \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u6839\u636e\u6761\u4ef6\u52a8\u6001\u6dfb\u52a0\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u5728\u6570\u636e\u8fc7\u6ee4\u8fc7\u7a0b\u4e2d\uff0c\u53ea\u6dfb\u52a0\u6ee1\u8db3\u6761\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
    # \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
    filtered_list = []<\/p>\n
    \u57fa\u4e8e\u6761\u4ef6\u52a8\u6001\u6dfb\u52a0\u5143\u7d20<\/strong><\/h2>\n
    for i in range(10):<\/p>\n
        if i % 2 == 0:<\/p>\n
            filtered_list.append(i)<\/p>\n
    print(filtered_list)  # \u8f93\u51fa: [0, 2, 4, 6, 8]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5e94\u7528\u4e8c\uff1a\u5d4c\u5957\u5217\u8868\u7684\u6784\u5efa<\/h4>\n<\/p>\n
    \u5728\u5904\u7406\u590d\u6742\u6570\u636e\u7ed3\u6784\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u6784\u5efa\u5d4c\u5957\u5217\u8868\u3002\u4f8b\u5982\uff0c\u5728\u6811\u5f62\u7ed3\u6784\u6216\u56fe\u7ed3\u6784\u4e2d\uff0c\u9700\u8981\u5c06\u5b50\u8282\u70b9\u6dfb\u52a0\u5230\u7236\u8282\u70b9\u7684\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
    # \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u8868\u793a\u6811\u7684\u6839\u8282\u70b9<\/p>\n
    tree = []<\/p>\n
    \u6dfb\u52a0\u5b50\u8282\u70b9<\/strong><\/h2>\n
    tree.append(['Node1', ['Child1', 'Child2']])<\/p>\n
    tree.append(['Node2', ['Child3', 'Child4']])<\/p>\n
    print(tree)  # \u8f93\u51fa: [['Node1', ['Child1', 'Child2']], ['Node2', ['Child3', 'Child4']]]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u53ef\u4ee5\u5728Python\u4e2d\u7075\u6d3b\u5730\u5411\u7a7a\u5217\u8868\u4e2d\u52a0\u5165\u5143\u7d20\uff0c\u5e76\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u548c\u4f18\u5316\u7b56\u7565\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u5e76\u6dfb\u52a0\u5143\u7d20\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528\u65b9\u62ec\u53f7[]<\/code>\u3002\u8981\u5411\u8be5\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a  <\/p>\n
    my_list = []  # \u521b\u5efa\u7a7a\u5217\u8868\nmy_list.append(1)  # \u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d201\nmy_list.append(2)  # \u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d202\nprint(my_list)  # \u8f93\u51fa\u7ed3\u679c\u4e3a [1, 2]\n<\/code><\/pre>\n
    \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u52a8\u6001\u5730\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u4efb\u610f\u6570\u91cf\u7684\u5143\u7d20\u3002<\/p>\n
    \u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5411\u7a7a\u5217\u8868\u4e2d\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\uff1f<\/strong>
    \u9664\u4e86\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u9010\u4e2a\u6dfb\u52a0\u5143\u7d20\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528extend()<\/code>\u65b9\u6cd5\u5c06\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u53e6\u4e00\u4e2a\u5217\u8868\uff09\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u4f8b\u5982\uff1a  <\/p>\n
    my_list = []  # \u521b\u5efa\u7a7a\u5217\u8868\nmy_list.extend([1, 2, 3])  # \u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\nprint(my_list)  # \u8f93\u51fa\u7ed3\u679c\u4e3a [1, 2, 3]\n<\/code><\/pre>\n
    \u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u751f\u6210\u5143\u7d20\u5e76\u52a0\u5165\u5217\u8868\u4e2d\uff0c\u6216\u8005\u76f4\u63a5\u5728\u521b\u5efa\u5217\u8868\u65f6\u4f7f\u7528+<\/code>\u64cd\u4f5c\u7b26\u6765\u5408\u5e76\u4e24\u4e2a\u5217\u8868\u3002<\/p>\n
    \u5728Python\u4e2d\uff0c\u5982\u4f55\u786e\u4fdd\u53ea\u5728\u7a7a\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\uff1f<\/strong>
    \u4e3a\u4e86\u786e\u4fdd\u53ea\u5728\u7a7a\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u53ef\u4ee5\u5728\u6dfb\u52a0\u4e4b\u524d\u68c0\u67e5\u5217\u8868\u7684\u957f\u5ea6\u3002\u4f7f\u7528if not my_list:<\/code>\u6765\u5224\u65ad\u5217\u8868\u662f\u5426\u4e3a\u7a7a\u3002\u5982\u679c\u4e3a\u7a7a\uff0c\u5219\u53ef\u4ee5\u5b89\u5168\u5730\u6dfb\u52a0\u5143\u7d20\u3002\u4f8b\u5982\uff1a  <\/p>\n
    my_list = []  # \u521b\u5efa\u7a7a\u5217\u8868\nif not my_list:  # \u68c0\u67e5\u5217\u8868\u662f\u5426\u4e3a\u7a7a\n    my_list.append(1)  # \u53ea\u6709\u5728\u5217\u8868\u4e3a\u7a7a\u65f6\u624d\u6dfb\u52a0\u5143\u7d20\nprint(my_list)  # \u8f93\u51fa\u7ed3\u679c\u4e3a [1]\n<\/code><\/pre>\n
    \u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u907f\u514d\u5728\u5217\u8868\u4e2d\u6dfb\u52a0\u91cd\u590d\u5143\u7d20\u6216\u5728\u4e0d\u9700\u8981\u7684\u60c5\u51b5\u4e0b\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5411\u7a7a\u5217\u8868\u4e2d\u52a0\u5165\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528append()\u3001extend()\u3001insert()\u7b49\u65b9\u6cd5\u3002app […]","protected":false},"author":3,"featured_media":1048370,"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\/1048364"}],"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=1048364"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1048364\/revisions"}],"predecessor-version":[{"id":1048371,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1048364\/revisions\/1048371"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1048370"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1048364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1048364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1048364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}