{"id":1167593,"date":"2025-01-15T15:47:05","date_gmt":"2025-01-15T07:47:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1167593.html"},"modified":"2025-01-15T15:47:07","modified_gmt":"2025-01-15T07:47:07","slug":"python%e5%a6%82%e4%bd%95%e6%8a%8a%e8%be%93%e5%87%ba%e6%94%be%e5%85%a5list","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1167593.html","title":{"rendered":"python\u5982\u4f55\u628a\u8f93\u51fa\u653e\u5165list"},"content":{"rendered":"

\"python\u5982\u4f55\u628a\u8f93\u51fa\u653e\u5165list\"<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5c06\u8f93\u51fa\u653e\u5165\u5217\u8868\u4e2d\u3002\u4f7f\u7528append\u65b9\u6cd5\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528extend\u65b9\u6cd5<\/strong>\u662f\u5176\u4e2d\u51e0\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528append\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528append\u65b9\u6cd5<\/h3>\n<\/p>\n

append<\/code> \u65b9\u6cd5\u662f\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002\u5b83\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u9002\u7528\u4e8e\u5c06\u5355\u4e2a\u5143\u7d20\u9010\u4e2a\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n

\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n

# \u521d\u59cb\u5316\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
output_list = []<\/p>\n
\u5047\u8bbe\u6709\u4e00\u7cfb\u5217\u8f93\u51fa<\/strong><\/h2>\n
for i in range(5):<\/p>\n
    output = i * i  # \u8ba1\u7b97\u5e73\u65b9<\/p>\n
    output_list.append(output)  # \u5c06\u8f93\u51fa\u653e\u5165\u5217\u8868<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521d\u59cb\u5316\u4e86\u4e00\u4e2a\u7a7a\u5217\u8868 output_list<\/code>\uff0c\u7136\u540e\u901a\u8fc7\u4e00\u4e2a\u5faa\u73af\u6765\u8ba1\u7b97\u6bcf\u4e2a\u6570\u7684\u5e73\u65b9\uff0c\u5e76\u5c06\u7ed3\u679c\u901a\u8fc7 append<\/code> \u65b9\u6cd5\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u6700\u540e\uff0c\u6253\u5370\u51fa\u7ed3\u679c\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u5728\u4e00\u4e2a\u8868\u8fbe\u5f0f\u4e2d\u751f\u6210\u5217\u8868\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868<\/p>\n
output_list = [i * i for i in range(5)]<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f [i * i for i in range(5)]<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u662f i<\/code> \u7684\u5e73\u65b9\u3002\u8fd9\u6837\u7684\u65b9\u6cd5\u7b80\u6d01\u660e\u4e86\uff0c\u9002\u5408\u5728\u4e00\u4e2a\u7b80\u5355\u8868\u8fbe\u5f0f\u4e2d\u751f\u6210\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528extend\u65b9\u6cd5<\/h3>\n<\/p>\n
extend<\/code> \u65b9\u6cd5\u53ef\u4ee5\u5c06\u53e6\u4e00\u4e2a\u5217\u8868\u6216\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5f53\u524d\u5217\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u521d\u59cb\u5316\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
output_list = []<\/p>\n
\u5047\u8bbe\u6709\u4e00\u7cfb\u5217\u8f93\u51fa\u5217\u8868<\/strong><\/h2>\n
new_outputs = [0, 1, 4, 9, 16]<\/p>\n
\u4f7f\u7528extend\u65b9\u6cd5\u6dfb\u52a0\u65b0\u8f93\u51fa<\/strong><\/h2>\n
output_list.extend(new_outputs)<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 extend<\/code> \u65b9\u6cd5\u5c06 new_outputs<\/code> \u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u4e86 output_list<\/code> \u4e2d\u3002\u8fd9\u6837\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5c06\u591a\u4e2a\u5143\u7d20\u4e00\u6b21\u6027\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528+\u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n
+<\/code> \u8fd0\u7b97\u7b26\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u5217\u8868\uff0c\u4ece\u800c\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u521d\u59cb\u5316\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
output_list = []<\/p>\n
\u5047\u8bbe\u6709\u4e00\u7cfb\u5217\u8f93\u51fa\u5217\u8868<\/strong><\/h2>\n
new_outputs = [0, 1, 4, 9, 16]<\/p>\n
\u4f7f\u7528+\u8fd0\u7b97\u7b26\u8fde\u63a5\u4e24\u4e2a\u5217\u8868<\/strong><\/h2>\n
output_list = output_list + new_outputs<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 +<\/code> \u8fd0\u7b97\u7b26\u5c06 new_outputs<\/code> \u5217\u8868\u4e0e output_list<\/code> \u5217\u8868\u8fde\u63a5\u8d77\u6765\uff0c\u751f\u6210\u4e86\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u6837\u7684\u65b9\u6cd5\u4f1a\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u800c\u4e0d\u662f\u5728\u539f\u5217\u8868\u4e0a\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528itertools.chAI<\/a>n<\/h3>\n<\/p>\n
itertools.chain<\/code> \u662f\u4e00\u4e2a\u9ad8\u6548\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import itertools<\/p>\n
\u5047\u8bbe\u6709\u591a\u4e2a\u8f93\u51fa\u5217\u8868<\/strong><\/h2>\n
output_list1 = [0, 1]<\/p>\n
output_list2 = [4, 9]<\/p>\n
output_list3 = [16]<\/p>\n
\u4f7f\u7528itertools.chain\u8fde\u63a5\u591a\u4e2a\u5217\u8868<\/strong><\/h2>\n
output_list = list(itertools.chain(output_list1, output_list2, output_list3))<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 itertools.chain<\/code> \u5c06\u591a\u4e2a\u8f93\u51fa\u5217\u8868\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002\u8fd9\u6837\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u8fde\u63a5\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528map\u51fd\u6570<\/h3>\n<\/p>\n
map<\/code> \u51fd\u6570\u53ef\u4ee5\u5c06\u6307\u5b9a\u7684\u51fd\u6570\u5e94\u7528\u5230\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u5e73\u65b9<\/p>\n
def square(x):<\/p>\n
    return x * x<\/p>\n
\u4f7f\u7528map\u51fd\u6570\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868<\/strong><\/h2>\n
output_list = list(map(square, range(5)))<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570 square<\/code>\uff0c\u7528\u4e8e\u8ba1\u7b97\u5e73\u65b9\u6570\u3002\u7136\u540e\uff0c\u4f7f\u7528 map<\/code> \u51fd\u6570\u5c06 square<\/code> \u51fd\u6570\u5e94\u7528\u5230 range(5)<\/code> \u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n
\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u7c7b\u4f3c\u4e8e\u5217\u8868\u63a8\u5bfc\u5f0f\uff0c\u4f46\u5b83\u8fd4\u56de\u4e00\u4e2a\u751f\u6210\u5668\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5217\u8868\u3002\u53ef\u4ee5\u4f7f\u7528 list<\/code> \u51fd\u6570\u5c06\u751f\u6210\u5668\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868<\/p>\n
output_generator = (i * i for i in range(5))<\/p>\n
\u5c06\u751f\u6210\u5668\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h2>\n
output_list = list(output_generator)<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f (i * i for i in range(5))<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u4f7f\u7528 list<\/code> \u51fd\u6570\u5c06\u751f\u6210\u5668\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u516b\u3001\u4f7f\u7528filter\u51fd\u6570<\/h3>\n<\/p>\n
filter<\/code> \u51fd\u6570\u7528\u4e8e\u8fc7\u6ee4\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u7b5b\u9009\u5076\u6570\u5e73\u65b9<\/p>\n
def is_even(x):<\/p>\n
    return x % 2 == 0<\/p>\n
\u4f7f\u7528map\u51fd\u6570\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868<\/strong><\/h2>\n
squares = map(lambda x: x * x, range(5))<\/p>\n
\u4f7f\u7528filter\u51fd\u6570\u7b5b\u9009\u5076\u6570\u5e73\u65b9<\/strong><\/h2>\n
output_list = list(filter(is_even, squares))<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 4, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570 is_even<\/code>\uff0c\u7528\u4e8e\u7b5b\u9009\u5076\u6570\u5e73\u65b9\u6570\u3002\u7136\u540e\uff0c\u4f7f\u7528 map<\/code> \u51fd\u6570\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868\uff0c\u63a5\u7740\u4f7f\u7528 filter<\/code> \u51fd\u6570\u7b5b\u9009\u5076\u6570\u5e73\u65b9\u6570\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570sum<\/h3>\n<\/p>\n
sum<\/code> \u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u5c06\u591a\u4e2a\u5217\u8868\u8fde\u63a5\u5728\u4e00\u8d77\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u5047\u8bbe\u6709\u591a\u4e2a\u8f93\u51fa\u5217\u8868<\/p>\n
output_list1 = [0, 1]<\/p>\n
output_list2 = [4, 9]<\/p>\n
output_list3 = [16]<\/p>\n
\u4f7f\u7528sum\u51fd\u6570\u8fde\u63a5\u591a\u4e2a\u5217\u8868<\/strong><\/h2>\n
output_list = sum([output_list1, output_list2, output_list3], [])<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 sum<\/code> \u51fd\u6570\u5c06\u591a\u4e2a\u8f93\u51fa\u5217\u8868\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u6837\u7684\u65b9\u6cd5\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u53ef\u80fd\u4f1a\u6bd4\u8f83\u6162\uff0c\u56e0\u4e3a\u5b83\u4f1a\u751f\u6210\u591a\u4e2a\u4e2d\u95f4\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5341\u3001\u4f7f\u7528numpy\u5e93<\/h3>\n<\/p>\n
numpy<\/code> \u5e93\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u548c\u64cd\u4f5c\u6570\u7ec4\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import numpy as np<\/p>\n
\u4f7f\u7528numpy\u751f\u6210\u5e73\u65b9\u6570\u6570\u7ec4<\/strong><\/h2>\n
output_array = np.arange(5)  2<\/p>\n
\u5c06numpy\u6570\u7ec4\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h2>\n
output_list = output_array.tolist()<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 numpy<\/code> \u5e93\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u6570\u7684\u6570\u7ec4 output_array<\/code>\u3002\u7136\u540e\uff0c\u4f7f\u7528 tolist<\/code> \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u4f7f\u7528pandas\u5e93<\/h3>\n<\/p>\n
pandas<\/code> \u5e93\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u636e\u64cd\u4f5c\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u548c\u64cd\u4f5c\u6570\u636e\u5e27\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import pandas as pd<\/p>\n
\u4f7f\u7528pandas\u751f\u6210\u5e73\u65b9\u6570\u6570\u636e\u5e27<\/strong><\/h2>\n
df = pd.DataFrame({'numbers': range(5)})<\/p>\n
df['squares'] = df['numbers']  2<\/p>\n
\u5c06pandas\u6570\u636e\u5e27\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h2>\n
output_list = df['squares'].tolist()<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 pandas<\/code> \u5e93\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u6570\u7684\u6570\u636e\u5e27 df<\/code>\u3002\u7136\u540e\uff0c\u4f7f\u7528 tolist<\/code> \u65b9\u6cd5\u5c06\u6570\u636e\u5e27\u5217\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u4f7f\u7528collections\u5e93<\/h3>\n<\/p>\n
collections<\/code> \u5e93\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u548c\u64cd\u4f5c\u6570\u636e\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
from collections import deque<\/p>\n
\u4f7f\u7528deque\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868<\/strong><\/h2>\n
output_deque = deque(i * i for i in range(5))<\/p>\n
\u5c06deque\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h2>\n
output_list = list(output_deque)<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 collections<\/code> \u5e93\u4e2d\u7684 deque<\/code> \u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u6570\u7684 deque<\/code> \u5bf9\u8c61\u3002\u7136\u540e\uff0c\u4f7f\u7528 list<\/code> \u51fd\u6570\u5c06 deque<\/code> \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5341\u4e09\u3001\u4f7f\u7528itertools\u6a21\u5757<\/h3>\n<\/p>\n
itertools<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u8fed\u4ee3\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u548c\u64cd\u4f5c\u6570\u636e\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import itertools<\/p>\n
\u4f7f\u7528itertools.starmap\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868<\/strong><\/h2>\n
output_iter = itertools.starmap(pow, [(i, 2) for i in range(5)])<\/p>\n
\u5c06\u8fed\u4ee3\u5668\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h2>\n
output_list = list(output_iter)<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 itertools<\/code> \u6a21\u5757\u4e2d\u7684 starmap<\/code> \u51fd\u6570\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u6570\u7684\u8fed\u4ee3\u5668 output_iter<\/code>\u3002\u7136\u540e\uff0c\u4f7f\u7528 list<\/code> \u51fd\u6570\u5c06\u8fed\u4ee3\u5668\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5341\u56db\u3001\u4f7f\u7528functools\u6a21\u5757<\/h3>\n<\/p>\n
functools<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u51fd\u6570\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u548c\u64cd\u4f5c\u6570\u636e\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import functools<\/p>\n
\u4f7f\u7528functools.reduce\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868<\/strong><\/h2>\n
output_list = functools.reduce(lambda acc, x: acc + [x * x], range(5), [])<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 functools<\/code> \u6a21\u5757\u4e2d\u7684 reduce<\/code> \u51fd\u6570\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u6570\u7684\u5217\u8868 output_list<\/code>\u3002<\/p>\n<\/p>\n
\u5341\u4e94\u3001\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570<\/h3>\n<\/p>\n
\u751f\u6210\u5668\u51fd\u6570\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u751f\u6210\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4e8e\u751f\u6210\u548c\u64cd\u4f5c\u6570\u636e\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u5b9a\u4e49\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570\uff0c\u7528\u4e8e\u751f\u6210\u5e73\u65b9\u6570<\/p>\n
def generate_squares(n):<\/p>\n
    for i in range(n):<\/p>\n
        yield i * i<\/p>\n
\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868<\/strong><\/h2>\n
output_generator = generate_squares(5)<\/p>\n
\u5c06\u751f\u6210\u5668\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868<\/strong><\/h2>\n
output_list = list(output_generator)<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u51fd\u6570 generate_squares<\/code>\uff0c\u7528\u4e8e\u751f\u6210\u5e73\u65b9\u6570\u3002\u7136\u540e\uff0c\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u751f\u6210\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u5bf9\u8c61 output_generator<\/code>\uff0c\u5e76\u4f7f\u7528 list<\/code> \u51fd\u6570\u5c06\u751f\u6210\u5668\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5341\u516d\u3001\u4f7f\u7528\u5217\u8868\u7684insert\u65b9\u6cd5<\/h3>\n<\/p>\n
insert<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
# \u521d\u59cb\u5316\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n
output_list = []<\/p>\n
\u5047\u8bbe\u6709\u4e00\u7cfb\u5217\u8f93\u51fa<\/strong><\/h2>\n
for i in range(5):<\/p>\n
    output = i * i  # \u8ba1\u7b97\u5e73\u65b9<\/p>\n
    output_list.insert(i, output)  # \u5c06\u8f93\u51fa\u63d2\u5165\u5217\u8868<\/p>\n
print(output_list)  # \u8f93\u51fa\uff1a[0, 1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 insert<\/code> \u65b9\u6cd5\u5c06\u6bcf\u4e2a\u8f93\u51fa\u63d2\u5165\u5230\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u603b\u7ed3\u6765\u8bf4\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u5c06\u8f93\u51fa\u653e\u5165\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u4f7f\u7528append\u65b9\u6cd5\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528extend\u65b9\u6cd5<\/strong>\u7b49\u662f\u5e38\u7528\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u3002\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4ecb\u7ecd\uff0c\u80fd\u591f\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528Python\u4e2d\u7684\u5217\u8868\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5c06\u8f93\u51fa\u7ed3\u679c\u5b58\u50a8\u5230\u5217\u8868\u4e2d\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u8f93\u51fa\u7ed3\u679c\u8ffd\u52a0\u5230\u5217\u8868\u4e2d\u6765\u5b9e\u73b0\u3002\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u65b0\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u672b\u5c3e\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\uff0c\u7136\u540e\u5728\u5faa\u73af\u6216\u51fd\u6570\u4e2d\u5c06\u7ed3\u679c\u6dfb\u52a0\u5230\u8be5\u5217\u8868\u4e2d\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
results = []\nfor i in range(5):\n    results.append(i * 2)  # \u5c06\u6bcf\u6b21\u8ba1\u7b97\u7684\u7ed3\u679c\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\nprint(results)  # \u8f93\u51fa: [0, 2, 4, 6, 8]\n<\/code><\/pre>\n
\u5728Python\u4e2d\uff0c\u5982\u4f55\u5c06\u51fd\u6570\u7684\u8fd4\u56de\u503c\u653e\u5165\u5217\u8868\u4e2d\uff1f<\/strong>
\u60a8\u53ef\u4ee5\u5c06\u4e00\u4e2a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u76f4\u63a5\u5b58\u50a8\u5230\u5217\u8868\u4e2d\u3002\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u8be5\u51fd\u6570\u5e76\u4f7f\u7528append()<\/code>\u5c06\u8fd4\u56de\u503c\u6dfb\u52a0\u5230\u5217\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n
def square(x):\n    return x ** 2\n\nsquares = []\nfor i in range(5):\n    squares.append(square(i))  # \u5c06\u6bcf\u6b21\u8fd4\u56de\u7684\u5e73\u65b9\u503c\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\nprint(squares)  # \u8f93\u51fa: [0, 1, 4, 9, 16]\n<\/code><\/pre>\n
\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u5c06\u8f93\u51fa\u653e\u5165\u5217\u8868\u4e2d\uff1f<\/strong>
\u786e\u5b9e\u53ef\u4ee5\uff01\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u751f\u6210\u5217\u8868\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u751f\u6210\u4e00\u4e2a\u5305\u542b\u5e73\u65b9\u6570\u7684\u5217\u8868\uff1a<\/p>\n
squares = [x ** 2 for x in range(5)]  # \u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u5e73\u65b9\u6570\u5217\u8868\nprint(squares)  # \u8f93\u51fa: [0, 1, 4, 9, 16]\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u6d01\uff0c\u800c\u4e14\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5c06\u8f93\u51fa\u653e\u5165\u5217\u8868\u4e2d\u3002\u4f7f\u7528append\u65b9\u6cd5\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528extend\u65b9\u6cd5 […]","protected":false},"author":3,"featured_media":1167597,"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\/1167593"}],"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=1167593"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1167593\/revisions"}],"predecessor-version":[{"id":1167599,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1167593\/revisions\/1167599"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1167597"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1167593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1167593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1167593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}