{"id":1027217,"date":"2024-12-31T10:49:11","date_gmt":"2024-12-31T02:49:11","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1027217.html"},"modified":"2024-12-31T10:49:13","modified_gmt":"2024-12-31T02:49:13","slug":"python%e5%a6%82%e4%bd%95%e5%88%87%e7%89%87%e5%8f%96%e5%85%b6%e4%b8%ad%e4%b8%a4%e4%b8%aa","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1027217.html","title":{"rendered":"python\u5982\u4f55\u5207\u7247\u53d6\u5176\u4e2d\u4e24\u4e2a"},"content":{"rendered":"

\"python\u5982\u4f55\u5207\u7247\u53d6\u5176\u4e2d\u4e24\u4e2a\"<\/p>\n

PYTHON \u5982\u4f55\u5207\u7247\u53d6\u5176\u4e2d\u4e24\u4e2a<\/h3>\n<\/p>\n

\u5728 Python \u4e2d\uff0c\u5207\u7247\u662f\u901a\u8fc7\u4f7f\u7528\u5192\u53f7\uff08:\uff09\u64cd\u4f5c\u7b26\u6765\u5b9e\u73b0\u7684\u3002\u5207\u7247\u64cd\u4f5c\u7b26\u5141\u8bb8\u4f60\u4ece\u5217\u8868\u3001\u5143\u7ec4\u6216\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u4e00\u4e2a\u5b50\u96c6\u3002\u901a\u8fc7\u5207\u7247\u64cd\u4f5c\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u4ece\u4e00\u4e2a\u5e8f\u5217\u4e2d\u63d0\u53d6\u4f60\u60f3\u8981\u7684\u5143\u7d20\u6216\u5143\u7d20\u7ec4\u3002\u5bf9\u4e8e\u63d0\u53d6\u4e24\u4e2a\u7279\u5b9a\u5143\u7d20\uff0c\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\u76f4\u63a5\u4f7f\u7528\u7d22\u5f15\u3001\u5207\u7247\u548c\u5207\u7247\u6b65\u957f\u3002<\/strong><\/p>\n<\/p>\n

\u5207\u7247\u64cd\u4f5c\u7b26\u3001\u7d22\u5f15\u3001\u6b65\u957f<\/strong>\u662f\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u7684\u5173\u952e\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u4ece\u4e00\u4e2a\u5e8f\u5217\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5207\u7247\u64cd\u4f5c\u7b26\u7684\u57fa\u672c\u4f7f\u7528<\/h3>\n<\/p>\n

\u5207\u7247\u64cd\u4f5c\u7b26\u5728 Python \u4e2d\u975e\u5e38\u5f3a\u5927\uff0c\u5b83\u5141\u8bb8\u4f60\u4ece\u5e8f\u5217\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u6216\u5b57\u7b26\u4e32\uff09\u4e2d\u63d0\u53d6\u8fde\u7eed\u7684\u5b50\u96c6\u3002\u57fa\u672c\u5f62\u5f0f\u662f \u5e8f\u5217[start:stop]<\/code>\uff0c\u5176\u4e2d start<\/code> \u662f\u8d77\u59cb\u7d22\u5f15\uff0cstop<\/code> \u662f\u7ed3\u675f\u7d22\u5f15\uff08\u4e0d\u5305\u62ec\u5728\u5185\uff09\u3002<\/p>\n<\/p>\n

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

my_list = [1, 2, 3, 4, 5]<\/p>\n
sub_list = my_list[1:3]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cmy_list[1:3]<\/code> \u63d0\u53d6\u4e86\u4ece\u7d22\u5f15 1 \u5f00\u59cb\uff0c\u5230\u7d22\u5f15 3 \u7ed3\u675f\u7684\u5143\u7d20\uff08\u4e0d\u5305\u62ec\u7d22\u5f15 3 \u7684\u5143\u7d20\uff09\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u6b65\u957f\uff08step\uff09\u7684\u4f7f\u7528<\/h3>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u7b26\u8fd8\u5141\u8bb8\u4f60\u6307\u5b9a\u6b65\u957f\uff0c\u6b65\u957f\u662f\u6bcf\u6b21\u63d0\u53d6\u5143\u7d20\u65f6\u7684\u95f4\u9694\u3002\u57fa\u672c\u5f62\u5f0f\u662f \u5e8f\u5217[start:stop:step]<\/code>\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
my_list = [1, 2, 3, 4, 5]<\/p>\n
sub_list = my_list[0:5:2]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [1, 3, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cmy_list[0:5:2]<\/code> \u63d0\u53d6\u4e86\u4ece\u7d22\u5f15 0 \u5f00\u59cb\uff0c\u5230\u7d22\u5f15 5 \u7ed3\u675f\u7684\u5143\u7d20\uff0c\u6bcf\u9694 2 \u4e2a\u5143\u7d20\u63d0\u53d6\u4e00\u4e2a\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u63d0\u53d6\u7279\u5b9a\u7684\u4e24\u4e2a\u5143\u7d20<\/h3>\n<\/p>\n
\u5982\u679c\u4f60\u60f3\u63d0\u53d6\u5e8f\u5217\u4e2d\u7684\u4e24\u4e2a\u7279\u5b9a\u5143\u7d20\uff0c\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528\u7d22\u5f15\u548c\u5207\u7247\u64cd\u4f5c\u7b26\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
my_list = [1, 2, 3, 4, 5]<\/p>\n
first_element = my_list[1]<\/p>\n
second_element = my_list[3]<\/p>\n
print([first_element, second_element])  # \u8f93\u51fa: [2, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u76f4\u63a5\u4f7f\u7528\u7d22\u5f15\u63d0\u53d6\u4e86\u5e8f\u5217\u4e2d\u7684\u7b2c 2 \u548c\u7b2c 4 \u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u63d0\u53d6\u591a\u4e2a\u5143\u7d20<\/h3>\n<\/p>\n
\u6709\u65f6\u5019\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u4ece\u4e00\u4e2a\u5e8f\u5217\u4e2d\u63d0\u53d6\u591a\u4e2a\u8fde\u7eed\u7684\u5143\u7d20\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u7b26\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
my_list = [1, 2, 3, 4, 5, 6, 7, 8]<\/p>\n
sub_list = my_list[2:6]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [3, 4, 5, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cmy_list[2:6]<\/code> \u63d0\u53d6\u4e86\u4ece\u7d22\u5f15 2 \u5f00\u59cb\uff0c\u5230\u7d22\u5f15 6 \u7ed3\u675f\uff08\u4e0d\u5305\u62ec\u7d22\u5f15 6\uff09\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u7ed3\u5408\u6761\u4ef6\u7b5b\u9009\u548c\u5207\u7247<\/h3>\n<\/p>\n
\u6709\u65f6\u5019\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u4ece\u5e8f\u5217\u4e2d\u63d0\u53d6\u5143\u7d20\uff0c\u7136\u540e\u518d\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
my_list = [1, 2, 3, 4, 5, 6, 7, 8]<\/p>\n
filtered_list = [x for x in my_list if x % 2 == 0]<\/p>\n
print(filtered_list)  # \u8f93\u51fa: [2, 4, 6, 8]<\/p>\n
sub_list = filtered_list[:2]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [2, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7b5b\u9009\u51fa\u6240\u6709\u5076\u6570\uff0c\u7136\u540e\u518d\u4ece\u7b5b\u9009\u540e\u7684\u5217\u8868\u4e2d\u63d0\u53d6\u524d\u4e24\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u516d\u3001\u5207\u7247\u64cd\u4f5c\u5728\u5b57\u7b26\u4e32\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u4e0d\u4ec5\u9002\u7528\u4e8e\u5217\u8868\u548c\u5143\u7ec4\uff0c\u4e5f\u9002\u7528\u4e8e\u5b57\u7b26\u4e32\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u4ece\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\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\uff0cmy_string[7:12]<\/code> \u63d0\u53d6\u4e86\u4ece\u7d22\u5f15 7 \u5f00\u59cb\uff0c\u5230\u7d22\u5f15 12 \u7ed3\u675f\uff08\u4e0d\u5305\u62ec\u7d22\u5f15 12\uff09\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5207\u7247\u64cd\u4f5c\u7684\u9006\u5411\u63d0\u53d6<\/h3>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8d1f\u7d22\u5f15\u548c\u8d1f\u6b65\u957f\u5b9e\u73b0\u9006\u5411\u63d0\u53d6\u3002\u8d1f\u7d22\u5f15\u7528\u4e8e\u4ece\u5e8f\u5217\u672b\u5c3e\u5f00\u59cb\u8ba1\u6570\uff0c\u8d1f\u6b65\u957f\u7528\u4e8e\u53cd\u5411\u63d0\u53d6\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
my_list = [1, 2, 3, 4, 5, 6, 7, 8]<\/p>\n
sub_list = my_list[-5:-1]<\/p>\n
print(sub_list)  # \u8f93\u51fa: [4, 5, 6, 7]<\/p>\n
reverse_sub_list = my_list[-1:-5:-1]<\/p>\n
print(reverse_sub_list)  # \u8f93\u51fa: [8, 7, 6, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cmy_list[-5:-1]<\/code> \u63d0\u53d6\u4e86\u4ece\u5012\u6570\u7b2c 5 \u4e2a\u5143\u7d20\u5f00\u59cb\uff0c\u5230\u5012\u6570\u7b2c 1 \u4e2a\u5143\u7d20\u7ed3\u675f\uff08\u4e0d\u5305\u62ec\u5012\u6570\u7b2c 1 \u4e2a\u5143\u7d20\uff09\u7684\u5143\u7d20\u3002my_list[-1:-5:-1]<\/code> \u5219\u4ee5\u76f8\u53cd\u7684\u987a\u5e8f\u63d0\u53d6\u4e86\u8fd9\u4e9b\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u516b\u3001\u5207\u7247\u64cd\u4f5c\u5728\u591a\u7ef4\u6570\u7ec4\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u4e0d\u4ec5\u9002\u7528\u4e8e\u4e00\u7ef4\u5e8f\u5217\uff0c\u4e5f\u9002\u7528\u4e8e\u591a\u7ef4\u6570\u7ec4\uff08\u5982 numpy \u6570\u7ec4\uff09\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u4ece\u591a\u7ef4\u6570\u7ec4\u4e2d\u63d0\u53d6\u5b50\u6570\u7ec4\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import numpy as np<\/p>\n
my_array = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])<\/p>\n
sub_array = my_array[1:, 1:]<\/p>\n
print(sub_array)<\/p>\n
\u8f93\u51fa:<\/strong><\/h2>\n
[[5 6]<\/strong><\/h2>\n
 [8 9]]<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cmy_array[1:, 1:]<\/code> \u63d0\u53d6\u4e86\u4ece\u7d22\u5f15 1 \u5f00\u59cb\u7684\u6240\u6709\u884c\u548c\u4ece\u7d22\u5f15 1 \u5f00\u59cb\u7684\u6240\u6709\u5217\uff0c\u5f62\u6210\u4e86\u4e00\u4e2a\u65b0\u7684\u5b50\u6570\u7ec4\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u7ed3\u5408\u5207\u7247\u64cd\u4f5c\u548c\u6570\u636e\u6846<\/h3>\n<\/p>\n
\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u5e38\u5e38\u9700\u8981\u7ed3\u5408\u5207\u7247\u64cd\u4f5c\u548c\u6570\u636e\u6846\uff08\u5982 pandas \u6570\u636e\u6846\uff09\u6765\u63d0\u53d6\u7279\u5b9a\u7684\u884c\u548c\u5217\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import pandas as pd<\/p>\n
data = {'A': [1, 2, 3, 4], 'B': [5, 6, 7, 8], 'C': [9, 10, 11, 12]}<\/p>\n
df = pd.DataFrame(data)<\/p>\n
sub_df = df.iloc[1:3, [0, 2]]<\/p>\n
print(sub_df)<\/p>\n
\u8f93\u51fa:<\/strong><\/h2>\n
   A   C<\/strong><\/h2>\n
1  2  10<\/strong><\/h2>\n
2  3  11<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cdf.iloc[1:3, [0, 2]]<\/code> \u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u63d0\u53d6\u4e86\u6570\u636e\u6846\u4e2d\u7b2c 2 \u548c\u7b2c 3 \u884c\u4ee5\u53ca\u7b2c 1 \u548c\u7b2c 3 \u5217\u7684\u6570\u636e\uff0c\u5f62\u6210\u4e86\u4e00\u4e2a\u65b0\u7684\u5b50\u6570\u636e\u6846\u3002<\/p>\n<\/p>\n
\u5341\u3001\u5207\u7247\u64cd\u4f5c\u7684\u6027\u80fd\u4f18\u5316<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\uff0c\u5207\u7247\u64cd\u4f5c\u7684\u6027\u80fd\u53ef\u80fd\u4f1a\u6210\u4e3a\u74f6\u9888\u3002\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u6280\u5de7\u6765\u63d0\u9ad8\u5207\u7247\u64cd\u4f5c\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n<\/p>\n
import numpy as np<\/p>\n
large_array = np.random.rand(1000000)<\/p>\n
sub_array = large_array[::10]<\/p>\n
print(sub_array.shape)  # \u8f93\u51fa: (100000,)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u6b65\u957f 10<\/code> \u5bf9\u4e00\u4e2a\u5305\u542b 100 \u4e07\u4e2a\u5143\u7d20\u7684\u6570\u7ec4\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u4ece\u800c\u63d0\u53d6\u4e86\u6bcf 10 \u4e2a\u5143\u7d20\u4e2d\u7684\u4e00\u4e2a\uff0c\u6709\u6548\u5730\u51cf\u5c11\u4e86\u8ba1\u7b97\u91cf\u5e76\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u5207\u7247\u64cd\u4f5c\u7684\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
\u5207\u7247\u64cd\u4f5c\u5728\u6570\u636e\u5904\u7406\u3001\u6570\u636e\u5206\u6790\u3001\u56fe\u50cf\u5904\u7406\u7b49\u9886\u57df\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4e0b\u9762\u662f\u51e0\u4e2a\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n
\u6570\u636e\u5904\u7406<\/h4>\n<\/p>\n
\u5728\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u5207\u7247\u64cd\u4f5c\u53ef\u4ee5\u7528\u4e8e\u63d0\u53d6\u7279\u5b9a\u7684\u884c\u548c\u5217\u3001\u6570\u636e\u6e05\u6d17\u3001\u7279\u5f81\u9009\u62e9\u7b49\u3002<\/p>\n<\/p>\n
\u6570\u636e\u5206\u6790<\/h4>\n<\/p>\n
\u5728\u6570\u636e\u5206\u6790\u8fc7\u7a0b\u4e2d\uff0c\u5207\u7247\u64cd\u4f5c\u53ef\u4ee5\u7528\u4e8e\u6570\u636e\u7b5b\u9009\u3001\u6570\u636e\u53d8\u6362\u3001\u6570\u636e\u53ef\u89c6\u5316\u7b49\u3002<\/p>\n<\/p>\n
\u56fe\u50cf\u5904\u7406<\/h4>\n<\/p>\n
\u5728\u56fe\u50cf\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u5207\u7247\u64cd\u4f5c\u53ef\u4ee5\u7528\u4e8e\u56fe\u50cf\u88c1\u526a\u3001\u56fe\u50cf\u5206\u5272\u3001\u7279\u5f81\u63d0\u53d6\u7b49\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u5207\u7247\u64cd\u4f5c\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
\u5728\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n
    \n
  • \u5207\u7247\u64cd\u4f5c\u4e0d\u4f1a\u4fee\u6539\u539f\u59cb\u5e8f\u5217\uff0c\u800c\u662f\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5b50\u5e8f\u5217\u3002<\/li>\n
  • \u5207\u7247\u64cd\u4f5c\u7684\u7d22\u5f15\u53ef\u4ee5\u4e3a\u8d1f\u6570\uff0c\u8868\u793a\u4ece\u5e8f\u5217\u672b\u5c3e\u5f00\u59cb\u8ba1\u6570\u3002<\/li>\n
  • \u5207\u7247\u64cd\u4f5c\u7684\u6b65\u957f\u53ef\u4ee5\u4e3a\u8d1f\u6570\uff0c\u8868\u793a\u53cd\u5411\u63d0\u53d6\u5143\u7d20\u3002<\/li>\n
  • \u5207\u7247\u64cd\u4f5c\u7684\u7d22\u5f15\u8d85\u51fa\u5e8f\u5217\u8303\u56f4\u65f6\u4e0d\u4f1a\u5f15\u53d1\u9519\u8bef\uff0c\u800c\u662f\u8fd4\u56de\u4e00\u4e2a\u7a7a\u5e8f\u5217\u3002<\/li>\n<\/ul>\n
    \u603b\u7ed3<\/h3>\n<\/p>\n
    \u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u8be6\u7ec6\u4e86\u89e3\u4e86 Python \u4e2d\u5207\u7247\u64cd\u4f5c\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\u3001\u6b65\u957f\u7684\u4f7f\u7528\u3001\u63d0\u53d6\u7279\u5b9a\u5143\u7d20\u3001\u7ed3\u5408\u6761\u4ef6\u7b5b\u9009\u3001\u5728\u5b57\u7b26\u4e32\u4e2d\u7684\u5e94\u7528\u3001\u9006\u5411\u63d0\u53d6\u3001\u591a\u7ef4\u6570\u7ec4\u4e2d\u7684\u5e94\u7528\u3001\u6570\u636e\u6846\u4e2d\u7684\u5e94\u7528\u3001\u6027\u80fd\u4f18\u5316\u3001\u5e94\u7528\u573a\u666f\u4ee5\u53ca\u6ce8\u610f\u4e8b\u9879\u3002\u5207\u7247\u64cd\u4f5c\u4f5c\u4e3a Python \u4e2d\u975e\u5e38\u5f3a\u5927\u548c\u7075\u6d3b\u7684\u529f\u80fd\uff0c\u5728\u6570\u636e\u5904\u7406\u3001\u6570\u636e\u5206\u6790\u3001\u56fe\u50cf\u5904\u7406\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u5207\u7247\u83b7\u53d6\u7279\u5b9a\u5143\u7d20\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u5207\u7247\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u4ece\u5e8f\u5217\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u6216\u5b57\u7b26\u4e32\uff09\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u5143\u7d20\u3002\u8981\u83b7\u53d6\u7279\u5b9a\u7684\u4e24\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u8bed\u6cd5sequence[start:end]<\/code>\uff0c\u5176\u4e2dstart<\/code>\u662f\u8d77\u59cb\u7d22\u5f15\uff0cend<\/code>\u662f\u7ed3\u675f\u7d22\u5f15\uff08\u4f46\u4e0d\u5305\u62ec\u8be5\u7d22\u5f15\uff09\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60f3\u4ece\u5217\u8868my_list = [0, 1, 2, 3, 4, 5]<\/code>\u4e2d\u83b7\u53d6\u5143\u7d201\u548c2\uff0c\u53ef\u4ee5\u4f7f\u7528my_list[1:3]<\/code>\uff0c\u7ed3\u679c\u5c06\u662f[1, 2]<\/code>\u3002<\/p>\n
    \u4f7f\u7528\u5207\u7247\u65f6\uff0c\u5982\u4f55\u5904\u7406\u8d1f\u7d22\u5f15\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u8d1f\u7d22\u5f15\u5141\u8bb8\u4f60\u4ece\u5e8f\u5217\u7684\u672b\u5c3e\u5f00\u59cb\u8ba1\u6570\u3002\u5982\u679c\u8981\u83b7\u53d6\u5217\u8868\u7684\u6700\u540e\u4e24\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247my_list[-2:]<\/code>\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5217\u8868my_list = [10, 20, 30, 40, 50]<\/code>\uff0c\u4f7f\u7528\u5207\u7247my_list[-2:]<\/code>\u5c06\u8fd4\u56de[40, 50]<\/code>\uff0c\u8fd9\u662f\u4e00\u79cd\u975e\u5e38\u65b9\u4fbf\u7684\u65b9\u5f0f\u6765\u5feb\u901f\u83b7\u53d6\u5e8f\u5217\u672b\u5c3e\u7684\u5143\u7d20\u3002<\/p>\n
    \u5982\u4f55\u5728\u5207\u7247\u4e2d\u8df3\u8fc7\u5143\u7d20\uff1f<\/strong>
    \u5207\u7247\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u53d6\u8fde\u7eed\u7684\u5143\u7d20\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u6b65\u957f\u6765\u8df3\u8fc7\u67d0\u4e9b\u5143\u7d20\u3002\u5207\u7247\u7684\u5b8c\u6574\u8bed\u6cd5\u662fsequence[start:end:step]<\/code>\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u5217\u8868my_list = [0, 1, 2, 3, 4, 5]<\/code>\uff0c\u5e76\u4e14\u60f3\u8981\u83b7\u53d6\u4ece0\u52305\u7684\u6bcf\u4e2a\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528my_list[0:6:2]<\/code>\uff0c\u7ed3\u679c\u5c06\u662f[0, 2, 4]<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u5904\u7406\u8f83\u5927\u6570\u636e\u96c6\u65f6\u7279\u522b\u6709\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"PYTHON \u5982\u4f55\u5207\u7247\u53d6\u5176\u4e2d\u4e24\u4e2a \u5728 Python \u4e2d\uff0c\u5207\u7247\u662f\u901a\u8fc7\u4f7f\u7528\u5192\u53f7\uff08:\uff09\u64cd\u4f5c\u7b26\u6765\u5b9e\u73b0\u7684\u3002\u5207\u7247\u64cd\u4f5c\u7b26\u5141\u8bb8 […]","protected":false},"author":3,"featured_media":1027219,"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\/1027217"}],"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=1027217"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1027217\/revisions"}],"predecessor-version":[{"id":1027220,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1027217\/revisions\/1027220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1027219"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1027217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1027217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1027217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}