{"id":974563,"date":"2024-12-27T06:06:13","date_gmt":"2024-12-26T22:06:13","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/974563.html"},"modified":"2024-12-27T06:06:15","modified_gmt":"2024-12-26T22:06:15","slug":"%e5%88%87%e7%89%87%e6%96%b9%e6%b3%95%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8python","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/974563.html","title":{"rendered":"\u5207\u7247\u65b9\u6cd5\u5982\u4f55\u4f7f\u7528python"},"content":{"rendered":"

\"\u5207\u7247\u65b9\u6cd5\u5982\u4f55\u4f7f\u7528python\"<\/p>\n

\u5207\u7247\u65b9\u6cd5\u5728Python\u4e2d\u662f\u4e00\u79cd\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u63d0\u53d6\u548c\u64cd\u4f5c\u5e8f\u5217\u6570\u636e\u3002\u4f7f\u7528\u5207\u7247\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u5730\u8bbf\u95ee\u5217\u8868\u3001\u5143\u7ec4\u548c\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\u3001\u90e8\u5206\u6216\u5b50\u5e8f\u5217\u3002\u5207\u7247\u65b9\u6cd5\u7684\u6838\u5fc3\u5305\u62ec\uff1a\u4f7f\u7528\u5192\u53f7\u201c\uff1a\u201d\u6307\u5b9a\u8d77\u59cb\u548c\u7ed3\u675f\u4f4d\u7f6e\u3001\u652f\u6301\u8d1f\u7d22\u5f15\u3001\u652f\u6301\u6b65\u957f\u53c2\u6570\u3002<\/strong>\u5728\u5207\u7247\u65f6\uff0c\u8d77\u59cb\u7d22\u5f15\u5305\u542b\u5728\u7ed3\u679c\u4e2d\uff0c\u4f46\u7ed3\u675f\u7d22\u5f15\u4e0d\u5305\u542b\u5728\u7ed3\u679c\u4e2d\uff0c\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97\u5207\u7247\u64cd\u4f5c\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u66f4\u52a0\u76f4\u89c2\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u8bbe\u7f6e\u6b65\u957f\u53c2\u6570\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5e8f\u5217\u7684\u95f4\u9694\u6027\u9009\u62e9\uff0c\u751a\u81f3\u53ef\u4ee5\u901a\u8fc7\u8d1f\u6b65\u957f\u5b9e\u73b0\u5e8f\u5217\u7684\u53cd\u8f6c\u3002<\/p>\n<\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8Python\u5207\u7247\u65b9\u6cd5\u7684\u591a\u79cd\u7528\u6cd5\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u5b9e\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u57fa\u672c\u5207\u7247\u64cd\u4f5c<\/h3>\n<\/p>\n

Python\u7684\u5207\u7247\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8d77\u59cb\u548c\u7ed3\u675f\u7d22\u5f15\u6765\u83b7\u53d6\u5e8f\u5217\u4e2d\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<\/p>\n

1. \u5217\u8868\u5207\u7247<\/h4>\n<\/p>\n

\u5217\u8868\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u5e8f\u5217\u7c7b\u578b\u4e4b\u4e00\u3002\u901a\u8fc7\u5207\u7247\u64cd\u4f5c\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5217\u8868\u4e2d\u7684\u4e00\u4e2a\u5b50\u96c6\u3002<\/p>\n<\/p>\n

my_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
sub_list = my_list[2:5]  # \u83b7\u53d6\u4ece\u7d22\u5f152\u5230\u7d22\u5f155\u4e4b\u524d\u7684\u5143\u7d20<\/p>\n
print(sub_list)  # \u8f93\u51fa: [2, 3, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0cmy_list[2:5]<\/code>\u8fd4\u56de\u4e86\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u5305\u542b\u4e86\u4ece\u7d22\u5f152\u5230\u7d22\u5f154\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
2. \u5b57\u7b26\u4e32\u5207\u7247<\/h4>\n<\/p>\n
\u5b57\u7b26\u4e32\u5728Python\u4e2d\u4e5f\u662f\u4e00\u79cd\u5e8f\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u5207\u7247\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
my_string = "Hello, World!"<\/p>\n
sub_string = my_string[7:12]<\/p>\n
print(sub_string)  # \u8f93\u51fa: World<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5207\u7247\u64cd\u4f5c\u63d0\u53d6\u4e86\u5b57\u7b26\u4e32\u4e2d\u7684\u201cWorld\u201d\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u8d1f\u7d22\u5f15<\/h3>\n<\/p>\n
Python\u5207\u7247\u652f\u6301\u8d1f\u7d22\u5f15\uff0c\u8fd9\u4f7f\u5f97\u4ece\u5e8f\u5217\u7684\u672b\u5c3e\u5f00\u59cb\u8bbf\u95ee\u5143\u7d20\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n<\/p>\n
1. \u5217\u8868\u4e2d\u7684\u8d1f\u7d22\u5f15<\/h4>\n<\/p>\n
\u8d1f\u7d22\u5f15\u5141\u8bb8\u6211\u4eec\u4ece\u5e8f\u5217\u7684\u672b\u5c3e\u5f00\u59cb\u8ba1\u6570\u3002<\/p>\n<\/p>\n
my_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
sub_list = my_list[-5:-2]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [5, 6, 7]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c-5<\/code>\u8868\u793a\u4ece\u5012\u6570\u7b2c5\u4e2a\u5143\u7d20\u5f00\u59cb\uff0c\u800c-2<\/code>\u8868\u793a\u5728\u5012\u6570\u7b2c2\u4e2a\u5143\u7d20\u4e4b\u524d\u7ed3\u675f\u3002<\/p>\n<\/p>\n
2. \u5b57\u7b26\u4e32\u4e2d\u7684\u8d1f\u7d22\u5f15<\/h4>\n<\/p>\n
\u540c\u6837\u5730\uff0c\u5b57\u7b26\u4e32\u4e5f\u652f\u6301\u8d1f\u7d22\u5f15\u3002<\/p>\n<\/p>\n
my_string = "Hello, World!"<\/p>\n
sub_string = my_string[-6:-1]<\/p>\n
print(sub_string)  # \u8f93\u51fa: World<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u8d1f\u7d22\u5f15\u6765\u63d0\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u6b65\u957f\u53c2\u6570<\/h3>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u4e0d\u4ec5\u53ef\u4ee5\u6307\u5b9a\u8d77\u59cb\u548c\u7ed3\u675f\u7d22\u5f15\uff0c\u8fd8\u53ef\u4ee5\u6307\u5b9a\u6b65\u957f\uff0c\u5141\u8bb8\u4ee5\u56fa\u5b9a\u95f4\u9694\u83b7\u53d6\u5143\u7d20\u3002<\/p>\n<\/p>\n
1. \u5217\u8868\u4e2d\u7684\u6b65\u957f<\/h4>\n<\/p>\n
\u901a\u8fc7\u6b65\u957f\u53c2\u6570\uff0c\u5207\u7247\u64cd\u4f5c\u53ef\u4ee5\u8df3\u8fc7\u4e00\u4e9b\u5143\u7d20\u3002<\/p>\n<\/p>\n
my_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
sub_list = my_list[0:10:2]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [0, 2, 4, 6, 8]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6b65\u957f\u4e3a2<\/code>\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u9694\u4e00\u4e2a\u5143\u7d20\u63d0\u53d6\u4e00\u6b21\u3002<\/p>\n<\/p>\n
2. \u5b57\u7b26\u4e32\u4e2d\u7684\u6b65\u957f<\/h4>\n<\/p>\n
\u5b57\u7b26\u4e32\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6b65\u957f\u53c2\u6570\u8fdb\u884c\u5207\u7247\u3002<\/p>\n<\/p>\n
my_string = "abcdefghij"<\/p>\n
sub_string = my_string[0:10:3]<\/p>\n
print(sub_string)  # \u8f93\u51fa: adgj<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u4ee5\u6b65\u957f\u4e3a3<\/code>\u7684\u65b9\u5f0f\u5207\u7247\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u56db\u3001\u53cd\u5411\u5207\u7247<\/h3>\n<\/p>\n
\u901a\u8fc7\u5c06\u6b65\u957f\u8bbe\u7f6e\u4e3a\u8d1f\u6570\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5e8f\u5217\u7684\u53cd\u5411\u5207\u7247\u3002<\/p>\n<\/p>\n
1. \u53cd\u8f6c\u5217\u8868<\/h4>\n<\/p>\n
\u53cd\u5411\u5207\u7247\u53ef\u4ee5\u7528\u4e8e\u53cd\u8f6c\u5217\u8868\u3002<\/p>\n<\/p>\n
my_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
reversed_list = my_list[::-1]<\/p>\n
print(reversed_list)  # \u8f93\u51fa: [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7[::-1]<\/code>\u5b9e\u73b0\u4e86\u5217\u8868\u7684\u53cd\u8f6c\u3002<\/p>\n<\/p>\n
2. \u53cd\u8f6c\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n
\u540c\u6837\u5730\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cd\u5411\u5207\u7247\u53cd\u8f6c\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
my_string = "Hello, World!"<\/p>\n
reversed_string = my_string[::-1]<\/p>\n
print(reversed_string)  # \u8f93\u51fa: !dlroW ,olleH<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u901a\u8fc7\u5207\u7247\u53cd\u8f6c\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5207\u7247\u7684\u9ad8\u7ea7\u7528\u6cd5<\/h3>\n<\/p>\n
\u5207\u7247\u5728Python\u4e2d\u4e0d\u4ec5\u9650\u4e8e\u7b80\u5355\u7684\u5e8f\u5217\u63d0\u53d6\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u4e00\u4e9b\u66f4\u590d\u6742\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
1. \u4fee\u6539\u5217\u8868\u4e2d\u7684\u90e8\u5206\u5143\u7d20<\/h4>\n<\/p>\n
\u5217\u8868\u662f\u53ef\u53d8\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u5207\u7247\u6765\u4fee\u6539\u5217\u8868\u4e2d\u7684\u90e8\u5206\u5143\u7d20\u3002<\/p>\n<\/p>\n
my_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
my_list[2:5] = [20, 30, 40]<\/p>\n
print(my_list)  # \u8f93\u51fa: [0, 1, 20, 30, 40, 5, 6, 7, 8, 9]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5217\u8868\u4e2d\u7684\u4e00\u90e8\u5206\u88ab\u66ff\u6362\u4e3a\u65b0\u7684\u503c\u3002<\/p>\n<\/p>\n
2. \u5220\u9664\u5217\u8868\u4e2d\u7684\u90e8\u5206\u5143\u7d20<\/h4>\n<\/p>\n
\u901a\u8fc7\u5207\u7247\uff0c\u4e5f\u53ef\u4ee5\u5220\u9664\u5217\u8868\u4e2d\u7684\u90e8\u5206\u5143\u7d20\u3002<\/p>\n<\/p>\n
my_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/p>\n
del my_list[2:5]<\/p>\n
print(my_list)  # \u8f93\u51fa: [0, 1, 5, 6, 7, 8, 9]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u901a\u8fc7\u5207\u7247\u5220\u9664\u5217\u8868\u4e2d\u7684\u4e00\u4e9b\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u516d\u3001\u5207\u7247\u4e0e\u591a\u7ef4\u6570\u7ec4<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u591a\u7ef4\u6570\u7ec4\u65f6\uff0c\u5207\u7247\u4e5f\u662f\u4e00\u4e2a\u6709\u7528\u7684\u5de5\u5177\u3002Python\u7684NumPy\u5e93\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u591a\u7ef4\u6570\u7ec4\u652f\u6301\u3002<\/p>\n<\/p>\n
1. NumPy\u6570\u7ec4\u7684\u5207\u7247<\/h4>\n<\/p>\n
NumPy\u662fPython\u4e2d\u5904\u7406\u6570\u503c\u8ba1\u7b97\u7684\u4e00\u4e2a\u5f3a\u5927\u5e93\uff0c\u652f\u6301\u591a\u7ef4\u6570\u7ec4\u7684\u5207\u7247\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
array = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])<\/p>\n
sub_array = array[0:2, 1:3]<\/p>\n
print(sub_array)<\/p>\n
\u8f93\u51fa:<\/strong><\/h2>\n
[[2 3]<\/strong><\/h2>\n
 [5 6]]<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u88ab\u5207\u7247\u4e3a\u4e00\u4e2a\u65b0\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528\u5207\u7247\u63d0\u53d6\u7279\u5b9a\u7684\u884c\u6216\u5217<\/h4>\n<\/p>\n
\u5207\u7247\u53ef\u4ee5\u7528\u4e8e\u63d0\u53d6\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u884c\u6216\u5217\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
array = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])<\/p>\n
first_column = array[:, 0]<\/p>\n
print(first_column)  # \u8f93\u51fa: [1 4 7]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u5207\u7247\u63d0\u53d6\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u5217\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5207\u7247\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
\u5207\u7247\u662fPython\u4e2d\u975e\u5e38\u7075\u6d3b\u7684\u7279\u6027\uff0c\u4f46\u5728\u4f7f\u7528\u65f6\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u4e8b\u9879\u3002<\/p>\n<\/p>\n
1. \u5207\u7247\u4e0d\u9002\u7528\u4e8e\u4e0d\u53ef\u53d8\u5e8f\u5217\u7684\u4fee\u6539<\/h4>\n<\/p>\n
\u867d\u7136\u5207\u7247\u53ef\u4ee5\u7528\u4e8e\u4fee\u6539\u5217\u8868\uff0c\u4f46\u5b83\u4e0d\u80fd\u7528\u4e8e\u4fee\u6539\u4e0d\u53ef\u53d8\u5e8f\u5217\u5982\u5b57\u7b26\u4e32\u548c\u5143\u7ec4\u3002<\/p>\n<\/p>\n
my_string = "Hello"<\/p>\n
my_string[1:4] = "a"  # \u8fd9\u5c06\u5bfc\u81f4\u9519\u8bef\uff0c\u56e0\u4e3a\u5b57\u7b26\u4e32\u662f\u4e0d\u53ef\u53d8\u7684<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
2. \u5207\u7247\u7684\u8fb9\u754c<\/h4>\n<\/p>\n
\u5728\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u65f6\uff0c\u8d85\u51fa\u5e8f\u5217\u8303\u56f4\u7684\u7d22\u5f15\u4e0d\u4f1a\u5bfc\u81f4\u9519\u8bef\uff0cPython\u4f1a\u81ea\u52a8\u8c03\u6574\u5207\u7247\u7684\u8fb9\u754c\u3002<\/p>\n<\/p>\n
my_list = [0, 1, 2, 3, 4]<\/p>\n
sub_list = my_list[2:10]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [2, 3, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u867d\u7136\u7ed3\u675f\u7d22\u5f15\u8d85\u51fa\u4e86\u5217\u8868\u7684\u957f\u5ea6\uff0cPython\u4ecd\u7136\u6b63\u786e\u5730\u8fd4\u56de\u4e86\u4ece\u7d22\u5f152\u5f00\u59cb\u5230\u5217\u8868\u672b\u5c3e\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u8be6\u5c3d\u7684\u63a2\u8ba8\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0cPython\u7684\u5207\u7247\u65b9\u6cd5\u4e3a\u5904\u7406\u5e8f\u5217\u6570\u636e\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u4fbf\u5229\u548c\u7075\u6d3b\u6027\u3002\u65e0\u8bba\u662f\u57fa\u672c\u7684\u5217\u8868\u548c\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u8fd8\u662f\u590d\u6742\u7684\u591a\u7ef4\u6570\u7ec4\u5904\u7406\uff0c\u5207\u7247\u90fd\u80fd\u63d0\u4f9b\u5f3a\u5927\u7684\u652f\u6301\u3002\u4f7f\u7528\u5207\u7247\u65f6\uff0c\u7406\u89e3\u5176\u8bed\u6cd5\u548c\u7279\u6027\u5c06\u5e2e\u52a9\u6211\u4eec\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5207\u7247\u65b9\u6cd5\u5728Python\u4e2d\u80fd\u505a\u4e9b\u4ec0\u4e48\uff1f<\/strong>
\u5207\u7247\u65b9\u6cd5\u5141\u8bb8\u4f60\u4ece\u5e8f\u5217\uff08\u5982\u5217\u8868\u3001\u5b57\u7b26\u4e32\u6216\u5143\u7ec4\uff09\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u90e8\u5206\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8d77\u59cb\u548c\u7ed3\u675f\u7d22\u5f15\uff0c\u751a\u81f3\u6b65\u957f\uff0c\u6765\u7075\u6d3b\u5730\u8bbf\u95ee\u6570\u636e\u3002\u6bd4\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5217\u8868 my_list = [1, 2, 3, 4, 5]<\/code>\uff0c\u4f7f\u7528\u5207\u7247 my_list[1:4]<\/code> \u53ef\u4ee5\u8fd4\u56de [2, 3, 4]<\/code>\u3002<\/p>\n
\u5207\u7247\u64cd\u4f5c\u4e2d\u7684\u8d1f\u7d22\u5f15\u6709\u4ec0\u4e48\u7528\uff1f<\/strong>
\u8d1f\u7d22\u5f15\u5728\u5207\u7247\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u5b83\u53ef\u4ee5\u8ba9\u4f60\u4ece\u5e8f\u5217\u7684\u672b\u5c3e\u5f00\u59cb\u8bbf\u95ee\u5143\u7d20\u3002\u4f8b\u5982\uff0cmy_list[-1]<\/code> \u4f1a\u8fd4\u56de\u5217\u8868\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0c\u4f7f\u7528\u5207\u7247 my_list[-3:]<\/code> \u5219\u53ef\u4ee5\u83b7\u53d6\u6700\u540e\u4e09\u4e2a\u5143\u7d20 [3, 4, 5]<\/code>\u3002\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u5f97\u6570\u636e\u8bbf\u95ee\u66f4\u52a0\u7075\u6d3b\uff0c\u5c24\u5176\u662f\u5f53\u4f60\u4e0d\u77e5\u9053\u5e8f\u5217\u7684\u5177\u4f53\u957f\u5ea6\u65f6\u3002<\/p>\n
\u5982\u4f55\u4f7f\u7528\u5207\u7247\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u5206\u6790\uff1f<\/strong>
\u5207\u7247\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u7528\u4e8e\u6570\u636e\u5904\u7406\u548c\u5206\u6790\uff0c\u4f8b\u5982\u5728\u6570\u636e\u6e05\u7406\u6216\u6570\u636e\u9884\u5904\u7406\u9636\u6bb5\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u5207\u7247\u5feb\u901f\u63d0\u53d6\u7279\u5b9a\u65f6\u95f4\u6bb5\u7684\u6570\u636e\uff0c\u6216\u8005\u4ece\u5927\u6570\u636e\u96c6\u4e2d\u83b7\u53d6\u5c0f\u6837\u672c\u6765\u8fdb\u884c\u5206\u6790\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4e0eNumPy\u6216Pandas\u5e93\u7ed3\u5408\u4f7f\u7528\uff0c\u63d0\u5347\u6570\u636e\u5206\u6790\u7684\u6548\u7387\u548c\u4fbf\u6377\u6027\u3002\u5229\u7528\u5207\u7247\uff0c\u4f60\u80fd\u591f\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7ec4\u3001\u805a\u5408\u6216\u5176\u4ed6\u64cd\u4f5c\uff0c\u4ece\u800c\u5f97\u5230\u66f4\u6709\u610f\u4e49\u7684\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5207\u7247\u65b9\u6cd5\u5728Python\u4e2d\u662f\u4e00\u79cd\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u63d0\u53d6\u548c\u64cd\u4f5c\u5e8f\u5217\u6570\u636e\u3002\u4f7f\u7528\u5207\u7247\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u5730\u8bbf\u95ee\u5217\u8868\u3001\u5143\u7ec4\u548c […]","protected":false},"author":3,"featured_media":974573,"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\/974563"}],"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=974563"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/974563\/revisions"}],"predecessor-version":[{"id":974574,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/974563\/revisions\/974574"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/974573"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=974563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=974563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=974563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}