{"id":1013075,"date":"2024-12-27T11:44:51","date_gmt":"2024-12-27T03:44:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1013075.html"},"modified":"2024-12-27T11:44:54","modified_gmt":"2024-12-27T03:44:54","slug":"python%e5%a6%82%e4%bd%95%e4%b8%ba%e5%88%97%e8%a1%a8%e8%b5%8b%e5%80%bc","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1013075.html","title":{"rendered":"python\u5982\u4f55\u4e3a\u5217\u8868\u8d4b\u503c"},"content":{"rendered":"

\"python\u5982\u4f55\u4e3a\u5217\u8868\u8d4b\u503c\"<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5185\u7f6e\u51fd\u6570\u548c\u5207\u7247\u7b49\u65b9\u6cd5\u4e3a\u5217\u8868\u8d4b\u503c\u3002\u76f4\u63a5\u8d4b\u503c\u662f\u6700\u7b80\u5355\u7684\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u521d\u59cb\u521b\u5efa\u5217\u8868\u7684\u573a\u666f\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u5141\u8bb8\u6211\u4eec\u4ee5\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u521b\u5efa\u548c\u8d4b\u503c\u5217\u8868\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5bf9\u5143\u7d20\u8fdb\u884c\u67d0\u79cd\u5904\u7406\u65f6\u3002\u5185\u7f6e\u51fd\u6570\u5982append()<\/code>\u3001extend()<\/code>\u7b49\u63d0\u4f9b\u4e86\u52a8\u6001\u6dfb\u52a0\u5143\u7d20\u7684\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u5217\u8868\u9700\u8981\u52a8\u6001\u589e\u957f\u7684\u573a\u5408\u3002\u5207\u7247\u5219\u53ef\u4ee5\u7528\u4e8e\u6279\u91cf\u66ff\u6362\u5217\u8868\u4e2d\u7684\u4e00\u90e8\u5206\u5143\u7d20\u3002<\/strong><\/p>\n<\/p>\n

\u4e00\u3001\u76f4\u63a5\u8d4b\u503c<\/h3>\n<\/p>\n

\u76f4\u63a5\u8d4b\u503c\u662f\u521b\u5efa\u5217\u8868\u7684\u6700\u57fa\u672c\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528\u65b9\u62ec\u53f7[]<\/code>\uff0c\u53ef\u4ee5\u76f4\u63a5\u5b9a\u4e49\u4e00\u4e2a\u5217\u8868\u5e76\u4e3a\u5176\u8d4b\u503c\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u5408\u7528\u4e8e\u521d\u59cb\u521b\u5efa\u4e00\u4e2a\u5df2\u77e5\u5185\u5bb9\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

fruits = ['apple', 'banana', 'cherry']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u76f4\u63a5\u5c06\u4e09\u4e2a\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5143\u7d20\u8d4b\u503c\u7ed9\u5217\u8868fruits<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5143\u7d20\u6570\u91cf\u548c\u5185\u5bb9\u90fd\u662f\u5df2\u77e5\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\uff08List Comprehension\uff09\u662f\u4e00\u79cd\u7b80\u6d01\u800c\u5f3a\u5927\u7684\u521b\u5efa\u5217\u8868\u7684\u65b9\u5f0f\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u5bf9\u5143\u7d20\u8fdb\u884c\u67d0\u79cd\u53d8\u6362\u6216\u7b5b\u9009\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
squares = [x2 for x in range(10)]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b0\u52309\u7684\u5e73\u65b9\u6570\u7684\u5217\u8868\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u660e\u7684\u65b9\u5f0f\u6765\u6784\u9020\u5217\u8868\uff0c\u540c\u65f6\u4fdd\u7559\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u4e0d\u4ec5\u9650\u4e8e\u7b80\u5355\u7684\u6570\u5b66\u8fd0\u7b97\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u6761\u4ef6\u8fc7\u6ee4\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
even_squares = [x2 for x in range(10) if x % 2 == 0]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b0\u52309\u4e2d\u5076\u6570\u7684\u5e73\u65b9\u6570\u7684\u5217\u8868\u3002\u901a\u8fc7\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u52a0\u5165\u6761\u4ef6\u5224\u65ad\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5143\u7d20\u7684\u7b5b\u9009\u548c\u8fc7\u6ee4\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u52a8\u6001\u5730\u4e3a\u5217\u8868\u6dfb\u52a0\u5143\u7d20\u3002\u8fd9\u4e9b\u51fd\u6570\u5305\u62ecappend()<\/code>\u3001extend()<\/code>\u3001insert()<\/code>\u7b49\u3002<\/p>\n<\/p>\n
1. append()<\/code><\/h4>\n<\/p>\n
append()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\u3002\u5b83\u662f\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5355\u4e2a\u5143\u7d20\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3]<\/p>\n
numbers.append(4)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6570\u5b574\u88ab\u6dfb\u52a0\u5230\u4e86\u5217\u8868numbers<\/code>\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
2. extend()<\/code><\/h4>\n<\/p>\n
extend()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u53e6\u4e00\u4e2a\u5217\u8868\uff09\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u5f53\u524d\u5217\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3]<\/p>\n
numbers.extend([4, 5, 6])<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u5217\u8868[4, 5, 6]<\/code>\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u4e86numbers<\/code>\u5217\u8868\u7684\u672b\u5c3e\u3002\u4e0eappend()<\/code>\u4e0d\u540c\uff0cextend()<\/code>\u53ef\u4ee5\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
3. insert()<\/code><\/h4>\n<\/p>\n
insert()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 4]<\/p>\n
numbers.insert(2, 3)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5728\u7d22\u5f152\u7684\u4f4d\u7f6e\u63d2\u5165\u4e86\u6570\u5b573\uff0c\u7ed3\u679c\u5217\u8868\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5207\u7247\u8d4b\u503c<\/h3>\n<\/p>\n
\u5207\u7247\u8d4b\u503c\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528\u4e8e\u540c\u65f6\u66f4\u6539\u5217\u8868\u4e2d\u7684\u591a\u4e2a\u5143\u7d20\u3002\u901a\u8fc7\u6307\u5b9a\u5207\u7247\u7684\u8303\u56f4\uff0c\u53ef\u4ee5\u5bf9\u5217\u8868\u4e2d\u7684\u4e00\u90e8\u5206\u8fdb\u884c\u8d4b\u503c\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5]<\/p>\n
numbers[1:3] = [8, 9]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u5217\u8868numbers<\/code>\u7684\u7d22\u5f151\u52302\u7684\u5143\u7d20\u88ab\u66ff\u6362\u4e3a8\u548c9\uff0c\u7ed3\u679c\u5217\u8868\u4e3a[1, 8, 9, 4, 5]<\/code>\u3002\u5207\u7247\u8d4b\u503c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5728\u5217\u8868\u4e2d\u63d2\u5165\u6216\u5220\u9664\u4e00\u7cfb\u5217\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u6269\u5c55\uff1a\u5207\u7247\u63d2\u5165<\/h4>\n<\/p>\n
\u5207\u7247\u8d4b\u503c\u4e0d\u4ec5\u53ef\u4ee5\u66ff\u6362\u73b0\u6709\u7684\u5143\u7d20\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u63d2\u5165\u65b0\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 4, 5]<\/p>\n
numbers[1:1] = [2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u5728\u7d22\u5f151\u5904\u8fdb\u884c\u5207\u7247\u8d4b\u503c\uff0c\u6211\u4eec\u5728\u5217\u8868numbers<\/code>\u4e2d\u63d2\u5165\u4e862\u548c3\uff0c\u7ed3\u679c\u5217\u8868\u4e3a[1, 2, 3, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n
\u6269\u5c55\uff1a\u5207\u7247\u5220\u9664<\/h4>\n<\/p>\n
\u8981\u5220\u9664\u5217\u8868\u4e2d\u7684\u4e00\u7cfb\u5217\u5143\u7d20\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u5207\u7247\u8d4b\u503c\u4e3a\u7a7a\u5217\u8868\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5]<\/p>\n
numbers[1:4] = []<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5220\u9664\u4e86\u7d22\u5f151\u52303\u7684\u5143\u7d20\uff0c\u7ed3\u679c\u5217\u8868\u4e3a[1, 5]<\/code>\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528map()<\/code>\u548cfilter()<\/code><\/h3>\n<\/p>\n
Python\u7684map()<\/code>\u548cfilter()<\/code>\u51fd\u6570\u63d0\u4f9b\u4e86\u53e6\u4e00\u79cd\u4e3a\u5217\u8868\u8d4b\u503c\u7684\u65b9\u5f0f\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u5bf9\u5217\u8868\u8fdb\u884c\u53d8\u6362\u6216\u8fc7\u6ee4\u65f6\u5f88\u6709\u7528\u3002<\/p>\n<\/p>\n
1. map()<\/code><\/h4>\n<\/p>\n
map()<\/code>\u51fd\u6570\u7528\u4e8e\u5bf9\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528\u6307\u5b9a\u7684\u51fd\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u6620\u5c04\u540e\u7684\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5]<\/p>\n
squared_numbers = list(map(lambda x: x2, numbers))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528map()<\/code>\u5c06\u5217\u8868numbers<\/code>\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e73\u65b9\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868squared_numbers<\/code>\u3002<\/p>\n<\/p>\n
2. filter()<\/code><\/h4>\n<\/p>\n
filter()<\/code>\u51fd\u6570\u7528\u4e8e\u7b5b\u9009\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u5143\u7d20\uff0c\u4fdd\u7559\u90a3\u4e9b\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5]<\/p>\n
even_numbers = list(filter(lambda x: x % 2 == 0, numbers))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528filter()<\/code>\u7b5b\u9009\u51fa\u5217\u8868numbers<\/code>\u4e2d\u7684\u5076\u6570\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868even_numbers<\/code>\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528zip()<\/code>\u51fd\u6570<\/h3>\n<\/p>\n
zip()<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u5c06\u591a\u4e2a\u5217\u8868\u7684\u5143\u7d20\u8fdb\u884c\u914d\u5bf9\u3002\u8fd9\u5728\u9700\u8981\u540c\u65f6\u904d\u5386\u591a\u4e2a\u5217\u8868\u5e76\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = ['a', 'b', 'c']<\/p>\n
zipped_list = list(zip(list1, list2))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u5217\u8868list1<\/code>\u548clist2<\/code>\u7684\u5143\u7d20\u914d\u5bf9\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868zipped_list<\/code>\uff0c\u7ed3\u679c\u4e3a[(1, 'a'), (2, 'b'), (3, 'c')]<\/code>\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528NumPy\u5e93<\/h3>\n<\/p>\n
\u5bf9\u4e8e\u9700\u8981\u8fdb\u884c\u5927\u91cf\u6570\u503c\u8fd0\u7b97\u7684\u573a\u5408\uff0cNumPy\u5e93\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u65b9\u6cd5\u3002\u867d\u7136NumPy\u6570\u7ec4\u4e0ePython\u5217\u8868\u4e0d\u540c\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7NumPy\u6570\u7ec4\u8fdb\u884c\u6279\u91cf\u64cd\u4f5c\u5e76\u5c06\u7ed3\u679c\u8d4b\u503c\u56de\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import numpy as np<\/p>\n
numbers = [1, 2, 3, 4, 5]<\/p>\n
np_numbers = np.array(numbers)<\/p>\n
squared_numbers = np_numbers  2<\/p>\n
result_list = squared_numbers.tolist()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6bb5\u4ee3\u7801\u9996\u5148\u5c06\u5217\u8868numbers<\/code>\u8f6c\u6362\u4e3aNumPy\u6570\u7ec4\uff0c\u7136\u540e\u5bf9\u5176\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u5e73\u65b9\u8fd0\u7b97\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u8f6c\u6362\u56dePython\u5217\u8868\u3002<\/p>\n<\/p>\n
\u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u4e3a\u5217\u8868\u8d4b\u503c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4f9b\u9009\u62e9\u3002\u76f4\u63a5\u8d4b\u503c\u9002\u5408\u7b80\u5355\u7684\u573a\u666f\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u63d0\u4f9b\u4e86\u7b80\u6d01\u7684\u6784\u9020\u65b9\u5f0f\uff0c\u5185\u7f6e\u51fd\u6570\u9002\u7528\u4e8e\u52a8\u6001\u589e\u957f\u7684\u9700\u6c42\uff0c\u5207\u7247\u8d4b\u503c\u5219\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u6279\u91cf\u64cd\u4f5c\u80fd\u529b\u3002\u6b64\u5916\uff0cmap()<\/code>\u3001filter()<\/code>\u3001zip()<\/code>\u548cNumPy\u5e93\u7b49\u5de5\u5177\u4e5f\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u7075\u6d3b\u4f7f\u7528\u3002\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\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\u65b0\u7684\u5217\u8868\u5e76\u8d4b\u503c\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u65b9\u62ec\u53f7[]<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u5e76\u8fdb\u884c\u8d4b\u503c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5143\u7d20\u7684\u5217\u8868\uff0c\u5982my_list = [1, 2, 3, 4]<\/code>\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528list()<\/code>\u51fd\u6570\u4ece\u5176\u4ed6\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5143\u7ec4\u6216\u5b57\u7b26\u4e32\uff09\u521b\u5efa\u65b0\u5217\u8868\uff0c\u4f8b\u5982my_list = list((1, 2, 3, 4))<\/code>\u3002<\/p>\n
\u5982\u4f55\u5bf9\u5df2\u5b58\u5728\u7684\u5217\u8868\u8fdb\u884c\u8d4b\u503c\u548c\u66f4\u65b0\uff1f<\/strong>
\u5bf9\u4e8e\u5df2\u5b58\u5728\u7684\u5217\u8868\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u6765\u4fee\u6539\u7279\u5b9a\u4f4d\u7f6e\u7684\u503c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5217\u8868my_list = [10, 20, 30]<\/code>\uff0c\u60f3\u8981\u5c06\u7b2c\u4e8c\u4e2a\u5143\u7d20\u66f4\u65b0\u4e3a25<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528my_list[1] = 25<\/code>\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u5982my_list.append(40)<\/code>\uff0c\u6216\u8005\u4f7f\u7528extend()<\/code>\u65b9\u6cd5\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002<\/p>\n
\u5982\u4f55\u4f7f\u7528\u5faa\u73af\u4e3a\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\u4e3a\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7for<\/code>\u5faa\u73af\u904d\u5386\u4e00\u4e2a\u8303\u56f4\u5e76\u4e3a\u5217\u8868\u8d4b\u503c\uff0c\u5982\uff1a  <\/p>\n
my_list = []\nfor i in range(5):\n    my_list.append(i * 2)\n<\/code><\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u521b\u5efa\u4e00\u4e2a\u5305\u542b0, 2, 4, 6, 8<\/code>\u7684\u5217\u8868\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u7b80\u5316\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u5982my_list = [i * 2 for i in range(5)]<\/code>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5185\u7f6e\u51fd\u6570\u548c\u5207\u7247\u7b49\u65b9\u6cd5\u4e3a\u5217\u8868\u8d4b\u503c\u3002\u76f4\u63a5\u8d4b\u503c\u662f\u6700\u7b80\u5355\u7684\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e […]","protected":false},"author":3,"featured_media":1013083,"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\/1013075"}],"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=1013075"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1013075\/revisions"}],"predecessor-version":[{"id":1013085,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1013075\/revisions\/1013085"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1013083"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1013075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1013075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1013075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}