{"id":1122961,"date":"2025-01-08T19:27:26","date_gmt":"2025-01-08T11:27:26","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1122961.html"},"modified":"2025-01-08T19:27:28","modified_gmt":"2025-01-08T11:27:28","slug":"python%e5%a6%82%e4%bd%95%e5%9c%a8%e6%89%93%e5%8d%b0%e5%90%8e%e5%8a%a0%e5%85%a5%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1122961.html","title":{"rendered":"python\u5982\u4f55\u5728\u6253\u5370\u540e\u52a0\u5165\u5217\u8868"},"content":{"rendered":"

\"python\u5982\u4f55\u5728\u6253\u5370\u540e\u52a0\u5165\u5217\u8868\"<\/p>\n

\u5728Python\u4e2d\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5728\u6253\u5370\u540e\u5c06\u5143\u7d20\u52a0\u5165\u5217\u8868\uff1a\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u6216\u8005\u901a\u8fc7\u5faa\u73af\u7b49\u65b9\u5f0f\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff1a\u4f60\u53ef\u4ee5\u5148\u6253\u5370\u4e00\u4e2a\u5143\u7d20\uff0c\u7136\u540e\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\u5c06\u5176\u52a0\u5165\u5217\u8868\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528append()\u65b9\u6cd5\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528\u5faa\u73af\u3001\u4f7f\u7528\u51fd\u6570\u3002<\/strong><\/p>\n<\/p>\n

\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\u662f\u4e00\u79cd\u7b80\u5355\u800c\u76f4\u63a5\u7684\u65b9\u5f0f\u3002\u4f60\u53ef\u4ee5\u5728\u6253\u5370\u8bed\u53e5\u4e4b\u540e\u7acb\u5373\u8c03\u7528 append()<\/code> \u65b9\u6cd5\uff0c\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u4f8b\u5982\uff1a<\/strong><\/p>\n<\/p>\n

my_list = []<\/p>\n
element = 5<\/p>\n
print(element)<\/p>\n
my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5143\u7d20 5<\/code> \u88ab\u6253\u5370\u51fa\u6765\uff0c\u7136\u540e\u88ab\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\uff0c\u6700\u7ec8\u5217\u8868\u5305\u542b\u8fd9\u4e2a\u5143\u7d20\u3002<\/strong><\/p>\n<\/p>\n
\n
\u4e00\u3001\u4f7f\u7528 append()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
1. \u57fa\u672c\u4f7f\u7528<\/strong><\/p>\n<\/p>\n
append()<\/code> \u662f\u5217\u8868\u5bf9\u8c61\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u7528\u4e8e\u5c06\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002\u8fd9\u662f\u6700\u5e38\u89c1\u548c\u76f4\u63a5\u7684\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
my_list = []<\/p>\n
element = 5<\/p>\n
print(element)  # \u6253\u5370\u5143\u7d20<\/p>\n
my_list.append(element)  # \u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d<\/p>\n
print(my_list)  # \u6253\u5370\u5217\u8868<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u6253\u5370\u4e86\u5143\u7d20\uff0c\u7136\u540e\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\u5c06\u8be5\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
2. \u591a\u4e2a\u5143\u7d20\u6dfb\u52a0<\/strong><\/p>\n<\/p>\n
\u5982\u679c\u4f60\u9700\u8981\u5728\u591a\u6b21\u6253\u5370\u4e4b\u540e\u5c06\u591a\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u53ef\u4ee5\u591a\u6b21\u8c03\u7528 append()<\/code> \u65b9\u6cd5\u3002<\/p>\n<\/p>\n
my_list = []<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for element in elements:<\/p>\n
    print(element)<\/p>\n
    my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0celements<\/code> \u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u88ab\u6253\u5370\u51fa\u6765\uff0c\u7136\u540e\u4f9d\u6b21\u88ab\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f<\/strong> \u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u5217\u8868\u3002\u867d\u7136\u5b83\u901a\u5e38\u7528\u4e8e\u751f\u6210\u65b0\u5217\u8868\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u7528\u4e8e\u5728\u6253\u5370\u540e\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
[print(element) or my_list.append(element) for element in elements]<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u9996\u5148\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\uff0c\u7136\u540e\u5c06\u5176\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002\u4f7f\u7528 or<\/code> \u786e\u4fdd print()<\/code> \u548c append()<\/code> \u90fd\u88ab\u6267\u884c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5faa\u73af<\/h3>\n<\/p>\n
\u5faa\u73af<\/strong> \u662f\u5904\u7406\u5217\u8868\u548c\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u7684\u57fa\u672c\u5de5\u5177\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6765\u904d\u5386\u5143\u7d20\uff0c\u6253\u5370\u5b83\u4eec\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
my_list = []<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for element in elements:<\/p>\n
    print(element)<\/p>\n
    my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cfor<\/code> \u5faa\u73af\u7528\u4e8e\u904d\u5386 elements<\/code> \u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u6bcf\u4e2a\u5143\u7d20\u88ab\u6253\u5370\u51fa\u6765\uff0c\u7136\u540e\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u51fd\u6570<\/h3>\n<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u6765\u5c01\u88c5\u4e0a\u8ff0\u903b\u8f91\uff0c\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
def print_and_append(elements, my_list):<\/p>\n
    for element in elements:<\/p>\n
        print(element)<\/p>\n
        my_list.append(element)<\/p>\n
my_list = []<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
print_and_append(elements, my_list)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cprint_and_append<\/code> \u51fd\u6570\u5c01\u88c5\u4e86\u6253\u5370\u548c\u6dfb\u52a0\u5143\u7d20\u7684\u903b\u8f91\u3002\u4f60\u53ea\u9700\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u5e76\u4f20\u9012\u8981\u5904\u7406\u7684\u5143\u7d20\u548c\u76ee\u6807\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528 extend()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5143\u7d20\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u5e76\u4e14\u5e0c\u671b\u5c06\u5176\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 extend()<\/code> \u65b9\u6cd5\u3002<\/p>\n<\/p>\n
my_list = []<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
print(elements)<\/p>\n
my_list.extend(elements)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cextend()<\/code> \u65b9\u6cd5\u5c06 elements<\/code> \u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528\u751f\u6210\u5668<\/h3>\n<\/p>\n
\u751f\u6210\u5668\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u80fd\u591f\u5728\u9700\u8981\u65f6\u751f\u6210\u6570\u636e\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u751f\u6210\u6240\u6709\u6570\u636e\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u6765\u751f\u6210\u5143\u7d20\uff0c\u5e76\u5728\u751f\u6210\u65f6\u6253\u5370\u548c\u6dfb\u52a0\u5b83\u4eec\u3002<\/p>\n<\/p>\n
def generate_elements():<\/p>\n
    for i in range(1, 6):<\/p>\n
        print(i)<\/p>\n
        yield i<\/p>\n
my_list = []<\/p>\n
for element in generate_elements():<\/p>\n
    my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cgenerate_elements<\/code> \u662f\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570\uff0c\u5b83\u5728\u751f\u6210\u5143\u7d20\u65f6\u6253\u5370\u5b83\u4eec\uff0c\u5e76\u4e14\u8fd9\u4e9b\u5143\u7d20\u88ab\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528 itertools<\/code> \u6a21\u5757<\/h3>\n<\/p>\n
itertools<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u4e2a\u7528\u4e8e\u9ad8\u6548\u5904\u7406\u8fed\u4ee3\u5668\u7684\u51fd\u6570\u3002\u4f60\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528 itertools<\/code> \u548c\u5176\u4ed6\u65b9\u6cd5\u6765\u5904\u7406\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
import itertools<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for element in itertools.chAI<\/a>n(elements):<\/p>\n
    print(element)<\/p>\n
    my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0citertools.chain<\/code> \u51fd\u6570\u7528\u4e8e\u5c06\u591a\u4e2a\u8fed\u4ee3\u5668\u8fde\u63a5\u6210\u4e00\u4e2a\u8fed\u4ee3\u5668\u3002\u867d\u7136\u5728\u8fd9\u4e2a\u7b80\u5355\u793a\u4f8b\u4e2d\u6ca1\u6709\u591a\u91cd\u8fed\u4ee3\u5668\uff0c\u4f46\u5b83\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 itertools<\/code> \u6a21\u5757\u6765\u5904\u7406\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u516b\u3001\u4f7f\u7528 map()<\/code> \u51fd\u6570<\/h3>\n<\/p>\n
map()<\/code> \u51fd\u6570\u53ef\u4ee5\u5bf9\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528\u6307\u5b9a\u7684\u51fd\u6570\u3002\u4f60\u53ef\u4ee5\u5229\u7528\u5b83\u6765\u6253\u5370\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
list(map(lambda x: (print(x), my_list.append(x)), elements))<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cmap()<\/code> \u51fd\u6570\u5bf9 elements<\/code> \u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u8be5\u533f\u540d\u51fd\u6570\u6253\u5370\u5143\u7d20\u5e76\u5c06\u5176\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u7ed3\u5408\u4f7f\u7528 filter()<\/code> \u548c lambda<\/code><\/h3>\n<\/p>\n
filter()<\/code> \u51fd\u6570\u7528\u4e8e\u8fc7\u6ee4\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\u3002\u4f60\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528 filter()<\/code> \u548c lambda<\/code> \u8868\u8fbe\u5f0f\u6765\u5b9e\u73b0\u6253\u5370\u548c\u6dfb\u52a0\u5143\u7d20\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
list(filter(lambda x: (print(x), my_list.append(x)), elements))<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cfilter()<\/code> \u51fd\u6570\u5bf9 elements<\/code> \u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u8be5\u533f\u540d\u51fd\u6570\u6253\u5370\u5143\u7d20\u5e76\u5c06\u5176\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u3001\u4f7f\u7528 enumerate()<\/code><\/h3>\n<\/p>\n
enumerate()<\/code> \u51fd\u6570\u7528\u4e8e\u5728\u904d\u5386\u53ef\u8fed\u4ee3\u5bf9\u8c61\u65f6\u83b7\u53d6\u5143\u7d20\u7684\u7d22\u5f15\u548c\u503c\u3002\u4f60\u53ef\u4ee5\u5229\u7528\u5b83\u6765\u6253\u5370\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for index, element in enumerate(elements):<\/p>\n
    print(f"Index: {index}, Element: {element}")<\/p>\n
    my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cenumerate()<\/code> \u51fd\u6570\u7528\u4e8e\u83b7\u53d6 elements<\/code> \u5217\u8868\u4e2d\u6bcf\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u548c\u503c\uff0c\u5e76\u5c06\u5b83\u4eec\u6253\u5370\u51fa\u6765\uff0c\u7136\u540e\u5c06\u5143\u7d20\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u4f7f\u7528 zip()<\/code><\/h3>\n<\/p>\n
zip()<\/code> \u51fd\u6570\u7528\u4e8e\u5c06\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u6253\u5305\u6210\u4e00\u4e2a\u8fed\u4ee3\u5668\u3002\u4f60\u53ef\u4ee5\u5229\u7528\u5b83\u6765\u540c\u65f6\u5904\u7406\u591a\u4e2a\u5217\u8868\uff0c\u5e76\u6253\u5370\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
elements1 = [1, 2, 3]<\/p>\n
elements2 = ['a', 'b', 'c']<\/p>\n
for element1, element2 in zip(elements1, elements2):<\/p>\n
    print(f"Element1: {element1}, Element2: {element2}")<\/p>\n
    my_list.append((element1, element2))<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0czip()<\/code> \u51fd\u6570\u7528\u4e8e\u540c\u65f6\u904d\u5386 elements1<\/code> \u548c elements2<\/code> \u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u6253\u5370\u51fa\u6765\uff0c\u7136\u540e\u5c06\u5143\u7ec4\u5f62\u5f0f\u7684\u5143\u7d20\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u4f7f\u7528 collections<\/code> \u6a21\u5757<\/h3>\n<\/p>\n
collections<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u4e2a\u5bb9\u5668\u6570\u636e\u7c7b\u578b\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5176\u4e2d\u7684\u4e00\u4e9b\u7c7b\u578b\u6765\u5904\u7406\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
from collections import deque<\/p>\n
my_list = deque()<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for element in elements:<\/p>\n
    print(element)<\/p>\n
    my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cdeque<\/code> \u662f\u4e00\u4e2a\u53cc\u7aef\u961f\u5217\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u5728\u4e24\u7aef\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\u6211\u4eec\u4f7f\u7528 deque<\/code> \u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u5341\u4e09\u3001\u4f7f\u7528 numpy<\/code> \u6a21\u5757<\/h3>\n<\/p>\n
numpy<\/code> \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u63d0\u4f9b\u4e86\u591a\u7ef4\u6570\u7ec4\u5bf9\u8c61\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 numpy<\/code> \u6765\u5904\u7406\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
my_list = []<\/p>\n
elements = np.array([1, 2, 3, 4, 5])<\/p>\n
for element in elements:<\/p>\n
    print(element)<\/p>\n
    my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 numpy<\/code> \u6570\u7ec4\u6765\u5b58\u50a8\u548c\u904d\u5386\u5143\u7d20\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u56db\u3001\u4f7f\u7528 pandas<\/code> \u6a21\u5757<\/h3>\n<\/p>\n
pandas<\/code> \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u5e93\uff0c\u63d0\u4f9b\u4e86 Series<\/code> \u548c DataFrame<\/code> \u5bf9\u8c61\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 pandas<\/code> \u6765\u5904\u7406\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
my_list = []<\/p>\n
elements = pd.Series([1, 2, 3, 4, 5])<\/p>\n
for element in elements:<\/p>\n
    print(element)<\/p>\n
    my_list.append(element)<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 pandas<\/code> Series<\/code> \u5bf9\u8c61\u6765\u5b58\u50a8\u548c\u904d\u5386\u5143\u7d20\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230 my_list<\/code> \u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u4e94\u3001\u4f7f\u7528 set<\/code> \u6570\u636e\u7ed3\u6784<\/h3>\n<\/p>\n
set<\/code> \u662f\u4e00\u4e2a\u65e0\u5e8f\u4e14\u4e0d\u91cd\u590d\u7684\u5143\u7d20\u96c6\u5408\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 set<\/code> \u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
my_set = set()<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for element in elements:<\/p>\n
    print(element)<\/p>\n
    my_set.add(element)<\/p>\n
print(my_set)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 set<\/code> \u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002\u6ce8\u610f\uff0cset<\/code> \u4e2d\u7684\u5143\u7d20\u662f\u65e0\u5e8f\u4e14\u552f\u4e00\u7684\u3002<\/p>\n<\/p>\n
\u5341\u516d\u3001\u4f7f\u7528 dict<\/code> \u6570\u636e\u7ed3\u6784<\/h3>\n<\/p>\n
dict<\/code> \u662f\u4e00\u4e2a\u952e\u503c\u5bf9\u96c6\u5408\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 dict<\/code> \u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
my_dict = {}<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for i, element in enumerate(elements):<\/p>\n
    print(element)<\/p>\n
    my_dict[i] = element<\/p>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 dict<\/code> \u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002\u6bcf\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4f5c\u4e3a\u952e\uff0c\u5143\u7d20\u672c\u8eab\u4f5c\u4e3a\u503c\u5b58\u50a8\u5728 dict<\/code> \u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u4e03\u3001\u4f7f\u7528 defaultdict<\/code><\/h3>\n<\/p>\n
defaultdict<\/code> \u662f collections<\/code> \u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u5b57\u5178\u5b50\u7c7b\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u9ed8\u8ba4\u503c\u5de5\u5382\u51fd\u6570\u3002<\/p>\n<\/p>\n
from collections import defaultdict<\/p>\n
my_dict = defaultdict(list)<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for i, element in enumerate(elements):<\/p>\n
    print(element)<\/p>\n
    my_dict[i].append(element)<\/p>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 defaultdict<\/code> \u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002\u6bcf\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4f5c\u4e3a\u952e\uff0c\u5143\u7d20\u672c\u8eab\u4f5c\u4e3a\u503c\u5b58\u50a8\u5728 defaultdict<\/code> \u4e2d\u3002<\/p>\n<\/p>\n
\u5341\u516b\u3001\u4f7f\u7528 OrderedDict<\/code><\/h3>\n<\/p>\n
OrderedDict<\/code> \u662f collections<\/code> \u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u5b57\u5178\u5b50\u7c7b\uff0c\u4fdd\u7559\u4e86\u5143\u7d20\u7684\u63d2\u5165\u987a\u5e8f\u3002<\/p>\n<\/p>\n
from collections import OrderedDict<\/p>\n
my_dict = OrderedDict()<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
for i, element in enumerate(elements):<\/p>\n
    print(element)<\/p>\n
    my_dict[i] = element<\/p>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 OrderedDict<\/code> \u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002\u6bcf\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4f5c\u4e3a\u952e\uff0c\u5143\u7d20\u672c\u8eab\u4f5c\u4e3a\u503c\u5b58\u50a8\u5728 OrderedDict<\/code> \u4e2d\uff0c\u5e76\u4fdd\u7559\u4e86\u63d2\u5165\u987a\u5e8f\u3002<\/p>\n<\/p>\n
\u5341\u4e5d\u3001\u4f7f\u7528 namedtuple<\/code><\/h3>\n<\/p>\n
namedtuple<\/code> \u662f collections<\/code> \u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u5de5\u5382\u51fd\u6570\uff0c\u7528\u4e8e\u521b\u5efa\u5177\u540d\u5143\u7ec4\u3002<\/p>\n<\/p>\n
from collections import namedtuple<\/p>\n
Element = namedtuple('Element', ['index', 'value'])<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
my_list = []<\/p>\n
for i, element in enumerate(elements):<\/p>\n
    print(element)<\/p>\n
    my_list.append(Element(i, element))<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 namedtuple<\/code> \u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002\u6bcf\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u548c\u503c\u5b58\u50a8\u5728\u5177\u540d\u5143\u7ec4 Element<\/code> \u4e2d\u3002<\/p>\n<\/p>\n
\u4e8c\u5341\u3001\u4f7f\u7528 dataclass<\/code><\/h3>\n<\/p>\n
dataclass<\/code> \u662f Python 3.7 \u5f15\u5165\u7684\u4e00\u4e2a\u88c5\u9970\u5668\uff0c\u7528\u4e8e\u7b80\u5316\u6570\u636e\u7c7b\u7684\u5b9a\u4e49\u3002<\/p>\n<\/p>\n
from dataclasses import dataclass<\/p>\n
@dataclass<\/p>\n
class Element:<\/p>\n
    index: int<\/p>\n
    value: int<\/p>\n
elements = [1, 2, 3, 4, 5]<\/p>\n
my_list = []<\/p>\n
for i, element in enumerate(elements):<\/p>\n
    print(element)<\/p>\n
    my_list.append(Element(i, element))<\/p>\n
print(my_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 dataclass<\/code> \u6765\u5b9a\u4e49\u4e00\u4e2a\u6570\u636e\u7c7b Element<\/code>\uff0c\u5e76\u4f7f\u7528\u5b83\u6765\u5b58\u50a8\u548c\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u7ed3\u8bba<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u6253\u5370\u540e\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5faa\u73af\u3001\u51fd\u6570\u3001\u751f\u6210\u5668\u3001\u4ee5\u53ca\u5404\u79cd\u6570\u636e\u7ed3\u6784\u548c\u5e93\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002\u65e0\u8bba\u4f60\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u53ef\u4ee5\u786e\u4fdd\u4ee3\u7801\u7b80\u6d01\u3001\u9ad8\u6548\u548c\u53ef\u8bfb\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5c06\u5217\u8868\u7684\u5185\u5bb9\u6253\u5370\u51fa\u6765\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528print()<\/code>\u51fd\u6570\u76f4\u63a5\u6253\u5370\u5217\u8868\u3002\u5217\u8868\u4e2d\u7684\u5143\u7d20\u4f1a\u4ee5\u9017\u53f7\u5206\u9694\u7684\u5f62\u5f0f\u663e\u793a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6709\u4e00\u4e2a\u5217\u8868my_list = [1, 2, 3]<\/code>\uff0c\u60a8\u53ea\u9700\u8c03\u7528print(my_list)<\/code>\u5373\u53ef\u8f93\u51fa[1, 2, 3]<\/code>\u3002\u5982\u679c\u5e0c\u671b\u4ee5\u66f4\u53cb\u597d\u7684\u683c\u5f0f\u5c55\u793a\u5217\u8868\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u7ed3\u5408\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3002<\/p>\n
\u5982\u4f55\u5728\u6253\u5370\u5185\u5bb9\u540e\u6dfb\u52a0\u5217\u8868\u7684\u5143\u7d20\uff1f<\/strong>
\u82e5\u5e0c\u671b\u5728\u6253\u5370\u67d0\u4e2a\u5b57\u7b26\u4e32\u540e\u7d27\u63a5\u7740\u663e\u793a\u5217\u8868\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u6216\u683c\u5f0f\u5316\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8fd9\u6837\u5199\uff1aprint("\u8fd9\u91cc\u662f\u6211\u7684\u5217\u8868\uff1a", my_list)<\/code>\u3002\u8fd9\u4f1a\u5728\u6253\u5370\u5b57\u7b26\u4e32\u540e\u663e\u793a\u5217\u8868\u7684\u5185\u5bb9\uff0c\u7ed3\u679c\u5982\u201c\u8fd9\u91cc\u662f\u6211\u7684\u5217\u8868\uff1a[1, 2, 3]\u201d\u3002\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528f-string<\/code>\u683c\u5f0f\u5316\uff1aprint(f"\u8fd9\u91cc\u662f\u6211\u7684\u5217\u8868\uff1a{my_list}")<\/code>\u3002<\/p>\n
\u5982\u4f55\u683c\u5f0f\u5316\u6253\u5370\u5217\u8868\u4e2d\u7684\u5143\u7d20\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\uff1f<\/strong>
\u4e3a\u4e86\u63d0\u9ad8\u6253\u5370\u51fa\u6765\u7684\u5217\u8868\u5143\u7d20\u7684\u53ef\u8bfb\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6216\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u5c06\u5217\u8868\u5143\u7d20\u9010\u4e2a\u6253\u5370\u51fa\u6765\uff0c\u4e14\u6bcf\u4e2a\u5143\u7d20\u5360\u4e00\u884c\uff1a  <\/p>\n
for item in my_list:\n    print(f"\u5143\u7d20\uff1a{item}")\n<\/code><\/pre>\n
\u8fd9\u6837\u8f93\u51fa\u7684\u5185\u5bb9\u5c06\u66f4\u4e3a\u6e05\u6670\uff0c\u6613\u4e8e\u7406\u89e3\u3002\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u66f4\u6539\u683c\u5f0f\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u663e\u793a\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5728\u6253\u5370\u540e\u5c06\u5143\u7d20\u52a0\u5165\u5217\u8868\uff1a\u4f7f\u7528 append() \u65b9\u6cd5\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u6216\u8005\u901a\u8fc7 […]","protected":false},"author":3,"featured_media":1122966,"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\/1122961"}],"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=1122961"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1122961\/revisions"}],"predecessor-version":[{"id":1122969,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1122961\/revisions\/1122969"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1122966"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1122961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1122961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1122961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}