{"id":1020765,"date":"2024-12-27T13:15:21","date_gmt":"2024-12-27T05:15:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1020765.html"},"modified":"2024-12-27T13:15:23","modified_gmt":"2024-12-27T05:15:23","slug":"%e5%a6%82%e4%bd%95%e8%ae%a9python%e9%80%9f%e5%ba%a6%e5%8f%98%e6%85%a2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1020765.html","title":{"rendered":"\u5982\u4f55\u8ba9python\u901f\u5ea6\u53d8\u6162"},"content":{"rendered":"

\"\u5982\u4f55\u8ba9python\u901f\u5ea6\u53d8\u6162\"<\/p>\n

\u4e3a\u4e86\u8ba9Python\u7a0b\u5e8f\u7684\u901f\u5ea6\u53d8\u6162\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f15\u5165\u4eba\u4e3a\u5ef6\u8fdf\u3001\u589e\u52a0\u8ba1\u7b97\u590d\u6742\u5ea6\u3001\u4f7f\u7528\u4f4e\u6548\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\u3001\u589e\u52a0I\/O\u64cd\u4f5c<\/strong>\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002\u5176\u4e2d\uff0c\u6700\u7b80\u5355\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u5f15\u5165\u4eba\u4e3a\u5ef6\u8fdf<\/strong>\u3002\u901a\u8fc7\u5728\u4ee3\u7801\u4e2d\u5f15\u5165\u4eba\u4e3a\u7684\u65f6\u95f4\u5ef6\u8fdf\uff08\u5982\u4f7f\u7528time.sleep()<\/code>\u51fd\u6570\uff09\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u7a0b\u5e8f\u7684\u6267\u884c\u901f\u5ea6\u3002\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5982\u679c\u4f60\u5e0c\u671b\u67d0\u6bb5\u4ee3\u7801\u7684\u6267\u884c\u901f\u5ea6\u964d\u4f4e\uff0c\u53ef\u4ee5\u5728\u8be5\u4ee3\u7801\u5757\u4e2d\u4f7f\u7528time.sleep()<\/code>\u51fd\u6570\u8bbe\u5b9a\u4e00\u4e2a\u6682\u505c\u65f6\u95f4\uff0c\u8fd9\u6837\u6bcf\u6b21\u6267\u884c\u5230\u8fd9\u6bb5\u4ee3\u7801\u65f6\uff0c\u7a0b\u5e8f\u90fd\u4f1a\u6682\u505c\u6307\u5b9a\u7684\u65f6\u95f4\uff0c\u4ece\u800c\u8fbe\u5230\u51cf\u6162\u901f\u5ea6\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n

\n

\u4e00\u3001\u5f15\u5165\u4eba\u4e3a\u5ef6\u8fdf<\/p>\n<\/p>\n

\u5f15\u5165\u4eba\u4e3a\u5ef6\u8fdf\u662f\u51cf\u6162Python\u7a0b\u5e8f\u901f\u5ea6\u7684\u7b80\u5355\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528Python\u5185\u7f6e\u7684time<\/code>\u5e93\u4e2d\u7684time.sleep()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u5728\u7a0b\u5e8f\u7684\u7279\u5b9a\u90e8\u5206\u6682\u505c\u6267\u884c\u4e00\u6bb5\u65f6\u95f4\u3002\u8fd9\u79cd\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u6a21\u62df\u7f51\u7edc\u5ef6\u8fdf\u3001\u7b49\u5f85\u5176\u4ed6\u8fdb\u7a0b\u5b8c\u6210\u6216\u6d4b\u8bd5\u7a0b\u5e8f\u5728\u4e0d\u540c\u6267\u884c\u901f\u5ea6\u4e0b\u7684\u884c\u4e3a\u3002<\/p>\n<\/p>\n

\u5728\u5b9e\u8df5\u4e2d\uff0ctime.sleep()<\/code>\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\uff0c\u8868\u793a\u6682\u505c\u7684\u79d2\u6570\u3002\u4f60\u53ef\u4ee5\u5728\u9700\u8981\u51cf\u6162\u901f\u5ea6\u7684\u4ee3\u7801\u6bb5\u4e2d\u63d2\u5165\u8be5\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

import time<\/p>\n
print("\u5f00\u59cb\u4efb\u52a1...")<\/p>\n
time.sleep(5)  # \u6682\u505c5\u79d2\u949f<\/p>\n
print("\u4efb\u52a1\u5b8c\u6210!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u5728\u6253\u5370\u201c\u5f00\u59cb\u4efb\u52a1…\u201d\u540e\u6682\u505c5\u79d2\uff0c\u7136\u540e\u7ee7\u7eed\u6267\u884c\u3002\u901a\u8fc7\u8c03\u6574time.sleep()<\/code>\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u63a7\u5236\u7a0b\u5e8f\u7684\u5ef6\u8fdf\u65f6\u95f4\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u589e\u52a0\u8ba1\u7b97\u590d\u6742\u5ea6<\/p>\n<\/p>\n
\u589e\u52a0\u8ba1\u7b97\u590d\u6742\u5ea6\u662f\u4e00\u79cd\u901a\u8fc7\u63d0\u9ad8\u7b97\u6cd5\u590d\u6742\u6027\u6765\u51cf\u6162\u7a0b\u5e8f\u901f\u5ea6\u7684\u65b9\u6cd5\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u66f4\u590d\u6742\u7684\u7b97\u6cd5\u3001\u589e\u52a0\u5faa\u73af\u5d4c\u5957\u7ea7\u522b\u6216\u589e\u52a0\u5904\u7406\u7684\u6570\u636e\u91cf\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff0c\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u6c42\u548c\u51fd\u6570\uff1a<\/p>\n<\/p>\n
def simple_sum(n):<\/p>\n
    return sum(range(n))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f60\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u6b65\u9aa4\u6765\u589e\u52a0\u590d\u6742\u5ea6\uff1a<\/p>\n<\/p>\n
def complex_sum(n):<\/p>\n
    result = 0<\/p>\n
    for i in range(n):<\/p>\n
        for j in range(n):<\/p>\n
            result += i * j<\/p>\n
    return result<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u53ef\u4ee5\u51cf\u6162\u7a0b\u5e8f\u7684\u901f\u5ea6\uff0c\u4f46\u901a\u5e38\u4e0d\u5efa\u8bae\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528\u3002\u56e0\u4e3a\u5b83\u4f1a\u5bfc\u81f4\u8d44\u6e90\u6d6a\u8d39\uff0c\u589e\u52a0\u7a0b\u5e8f\u7684\u8fd0\u884c\u6210\u672c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u4f4e\u6548\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784<\/p>\n<\/p>\n
\u9009\u62e9\u4f4e\u6548\u7684\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\u662f\u51cf\u6162\u7a0b\u5e8f\u901f\u5ea6\u7684\u53e6\u4e00\u79cd\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u9009\u62e9\u7ebf\u6027\u641c\u7d22\u800c\u4e0d\u662f\u4e8c\u5206\u641c\u7d22\uff0c\u4f7f\u7528\u94fe\u8868\u800c\u4e0d\u662f\u6570\u7ec4\u7b49\u3002<\/p>\n<\/p>\n
\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u6392\u5e8f\u4efb\u52a1\uff0c\u5feb\u901f\u6392\u5e8f\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u800c\u5192\u6ce1\u6392\u5e8f\u5219\u76f8\u5bf9\u4f4e\u6548\u3002\u4f60\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u5192\u6ce1\u6392\u5e8f\u6765\u51cf\u6162\u901f\u5ea6\uff1a<\/p>\n<\/p>\n
def bubble_sort(arr):<\/p>\n
    n = len(arr)<\/p>\n
    for i in range(n):<\/p>\n
        for j in range(0, n-i-1):<\/p>\n
            if arr[j] > arr[j+1]:<\/p>\n
                arr[j], arr[j+1] = arr[j+1], arr[j]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5c3d\u7ba1\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u7a0b\u5e8f\u901f\u5ea6\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5e94\u614e\u91cd\u8003\u8651\u7b97\u6cd5\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n
\u56db\u3001\u589e\u52a0I\/O\u64cd\u4f5c<\/p>\n<\/p>\n
I\/O\u64cd\u4f5c\u901a\u5e38\u662f\u7a0b\u5e8f\u6267\u884c\u901f\u5ea6\u7684\u74f6\u9888\u3002\u901a\u8fc7\u589e\u52a0I\/O\u64cd\u4f5c\uff0c\u5982\u6587\u4ef6\u8bfb\u5199\u3001\u7f51\u7edc\u901a\u4fe1\u7b49\uff0c\u53ef\u4ee5\u51cf\u6162\u7a0b\u5e8f\u901f\u5ea6\u3002<\/p>\n<\/p>\n
\u5047\u8bbe\u4f60\u9700\u8981\u5904\u7406\u4e00\u4e2a\u5927\u6587\u4ef6\uff0c\u53ef\u4ee5\u5728\u8bfb\u53d6\u8fc7\u7a0b\u4e2d\u589e\u52a0\u4e0d\u5fc5\u8981\u7684I\/O\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u8f93\u51fa\u5230\u63a7\u5236\u53f0\uff1a<\/p>\n<\/p>\n
with open('large_file.txt', 'r') as file:<\/p>\n
    for line in file:<\/p>\n
        print(line)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u53ef\u4ee5\u51cf\u6162\u901f\u5ea6\uff0c\u4f46\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u8d44\u6e90\u7684\u6d6a\u8d39\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u65f6\u5e94\u786e\u4fdd\u7cfb\u7edf\u8d44\u6e90\u7684\u5408\u7406\u5229\u7528\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u89e3\u91ca\u5668\u7279\u6027<\/p>\n<\/p>\n
Python\u662f\u4e00\u79cd\u89e3\u91ca\u578b\u8bed\u8a00\uff0c\u4f7f\u7528\u89e3\u91ca\u5668\u7684\u67d0\u4e9b\u7279\u6027\u53ef\u4ee5\u51cf\u6162\u7a0b\u5e8f\u901f\u5ea6\u3002\u4f8b\u5982\uff0c\u4f7f\u7528eval()<\/code>\u51fd\u6570\u52a8\u6001\u6267\u884cPython\u8868\u8fbe\u5f0f\u4f1a\u5bfc\u81f4\u6027\u80fd\u5f00\u9500\uff1a<\/p>\n<\/p>\n
expression = "2 + 2"<\/p>\n
result = eval(expression)<\/p>\n
<\/code><\/pre>\n<\/p>\n
eval()<\/code>\u51fd\u6570\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u9700\u8981\u89e3\u6790\u548c\u6267\u884c\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684\u8868\u8fbe\u5f0f\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u901f\u5ea6\u53d8\u6162\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u8fc7\u591a\u7684\u5168\u5c40\u53d8\u91cf\u548c\u52a8\u6001\u7c7b\u578b\u68c0\u67e5\u4e5f\u4f1a\u51cf\u6162\u7a0b\u5e8f\u901f\u5ea6\u3002<\/p>\n<\/p>\n
\u516d\u3001\u589e\u52a0\u5f02\u5e38\u5904\u7406<\/p>\n<\/p>\n
\u589e\u52a0\u4e0d\u5fc5\u8981\u7684\u5f02\u5e38\u5904\u7406\u53ef\u4ee5\u964d\u4f4e\u7a0b\u5e8f\u901f\u5ea6\u3002\u5728Python\u4e2d\uff0c\u5f02\u5e38\u5904\u7406\u673a\u5236\u867d\u7136\u5f3a\u5927\uff0c\u4f46\u5728\u5904\u7406\u5927\u91cf\u5f02\u5e38\u65f6\uff0c\u4f1a\u589e\u52a0\u7a0b\u5e8f\u7684\u6267\u884c\u65f6\u95f4\u3002<\/p>\n<\/p>\n
\u5047\u8bbe\u4f60\u5728\u4e00\u4e2a\u5faa\u73af\u4e2d\u52a0\u5165\u4e0d\u5fc5\u8981\u7684\u5f02\u5e38\u5904\u7406\uff1a<\/p>\n<\/p>\n
for i in range(10000):<\/p>\n
    try:<\/p>\n
        result = 10 \/ (i % 10)<\/p>\n
    except ZeroDivisionError:<\/p>\n
        result = 0<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5e94\u5c3d\u91cf\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5f02\u5e38\u5904\u7406\uff0c\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u6162\u901f\u5e93\u548c\u6a21\u5757<\/p>\n<\/p>\n
\u9009\u62e9\u6267\u884c\u901f\u5ea6\u8f83\u6162\u7684\u5e93\u548c\u6a21\u5757\u4e5f\u662f\u51cf\u6162\u7a0b\u5e8f\u901f\u5ea6\u7684\u9014\u5f84\u3002\u4f8b\u5982\uff0c\u4f7f\u7528pandas<\/code>\u8fdb\u884c\u7b80\u5355\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\uff0c\u800c\u4e0d\u662f\u4f7f\u7528numpy<\/code>\u6216\u539f\u751fPython\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<\/p>\n
pandas<\/code>\u867d\u7136\u529f\u80fd\u5f3a\u5927\uff0c\u4f46\u5728\u5904\u7406\u5c0f\u89c4\u6a21\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u4f1a\u6bd4\u76f4\u63a5\u4f7f\u7528\u5217\u8868\u6216\u6570\u7ec4\u6162\uff1a<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
data = pd.DataFrame({'A': range(10000)})<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u9009\u62e9\u5e93\u548c\u6a21\u5757\u65f6\uff0c\u5e94\u6839\u636e\u4efb\u52a1\u9700\u6c42\u548c\u6570\u636e\u89c4\u6a21\u8fdb\u884c\u5408\u7406\u9009\u62e9\u3002<\/p>\n<\/p>\n
\u516b\u3001\u589e\u52a0\u7f51\u7edc\u5ef6\u8fdf<\/p>\n<\/p>\n
\u6a21\u62df\u7f51\u7edc\u5ef6\u8fdf\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u51cf\u6162\u7a0b\u5e8f\u901f\u5ea6\u7684\u65b9\u6cd5\uff0c\u5c24\u5176\u662f\u5728\u5f00\u53d1\u548c\u6d4b\u8bd5\u7f51\u7edc\u5e94\u7528\u65f6\u3002\u53ef\u4ee5\u901a\u8fc7\u5f15\u5165\u968f\u673a\u7684\u7f51\u7edc\u5ef6\u8fdf\u6765\u6a21\u62df\u4e0d\u7a33\u5b9a\u7684\u7f51\u7edc\u73af\u5883\u3002<\/p>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5982requests<\/code>\u6765\u6f14\u793a\u7f51\u7edc\u8bf7\u6c42\u4e2d\u7684\u5ef6\u8fdf\uff1a<\/p>\n<\/p>\n
import requests<\/p>\n
import time<\/p>\n
import random<\/p>\n
def fetch_data(url):<\/p>\n
    time.sleep(random.uniform(1, 3))  # \u968f\u673a\u5ef6\u8fdf1\u52303\u79d2<\/p>\n
    response = requests.get(url)<\/p>\n
    return response.text<\/p>\n
data = fetch_data('https:\/\/example.com')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u5728\u8bf7\u6c42\u524d\u52a0\u5165\u968f\u673a\u5ef6\u8fdf\uff0c\u53ef\u4ee5\u6a21\u62df\u771f\u5b9e\u73af\u5883\u4e2d\u7684\u7f51\u7edc\u4e0d\u7a33\u5b9a\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u589e\u52a0\u591a\u7ebf\u7a0b\u5f00\u9500<\/p>\n<\/p>\n
\u591a\u7ebf\u7a0b\u7f16\u7a0b\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u6027\u80fd\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4e5f\u53ef\u80fd\u5bfc\u81f4\u7a0b\u5e8f\u901f\u5ea6\u51cf\u6162\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\u3002<\/p>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u591a\u7ebf\u7a0b\u7f16\u7a0b\u9700\u8981\u8003\u8651\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff08GIL\uff09\u7684\u5f71\u54cd\u3002\u5bf9\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff0cGIL\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u95f4\u7684\u7ade\u4e89\uff0c\u4ece\u800c\u51cf\u6162\u901f\u5ea6\uff1a<\/p>\n<\/p>\n
import threading<\/p>\n
def cpu_intensive_task(n):<\/p>\n
    count = 0<\/p>\n
    for i in range(n):<\/p>\n
        for j in range(n):<\/p>\n
            count += i * j<\/p>\n
threads = []<\/p>\n
for _ in range(10):<\/p>\n
    thread = threading.Thread(target=cpu_intensive_task, args=(1000,))<\/p>\n
    threads.append(thread)<\/p>\n
    thread.start()<\/p>\n
for thread in threads:<\/p>\n
    thread.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u5904\u7406CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\uff0c\u5e94\u8c28\u614e\u4f7f\u7528\u591a\u7ebf\u7a0b\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u5f00\u9500\u3002<\/p>\n<\/p>\n
\u5341\u3001\u4f7f\u7528\u4f4e\u6548\u7684\u4ee3\u7801\u7ed3\u6784<\/p>\n<\/p>\n
\u4f4e\u6548\u7684\u4ee3\u7801\u7ed3\u6784\u53ef\u80fd\u5bfc\u81f4\u7a0b\u5e8f\u901f\u5ea6\u53d8\u6162\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684\u5d4c\u5957\u5faa\u73af\u3001\u9012\u5f52\u8c03\u7528\u7b49\u3002<\/p>\n<\/p>\n
\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u9012\u5f52\u51fd\u6570\u6765\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\uff1a<\/p>\n<\/p>\n
def fibonacci(n):<\/p>\n
    if n <= 1:<\/p>\n
        return n<\/p>\n
    else:<\/p>\n
        return fibonacci(n-1) + fibonacci(n-2)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u9012\u5f52\u5b9e\u73b0\u867d\u7136\u7b80\u5355\uff0c\u4f46\u5728\u8ba1\u7b97\u8f83\u5927\u6570\u503c\u65f6\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002\u4e3a\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u5e94\u8003\u8651\u4f7f\u7528\u52a8\u6001\u89c4\u5212\u6216\u8fed\u4ee3\u65b9\u5f0f\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
\u5341\u4e00\u3001\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684\u88c5\u9970\u5668\u548c\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/p>\n<\/p>\n
\u4f7f\u7528\u8fc7\u591a\u7684\u88c5\u9970\u5668\u548c\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u4e5f\u4f1a\u964d\u4f4e\u7a0b\u5e8f\u901f\u5ea6\u3002\u88c5\u9970\u5668\u548c\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u53ef\u4ee5\u589e\u52a0\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7b80\u6d01\u6027\uff0c\u4f46\u5728\u4e0d\u5fc5\u8981\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u4f1a\u5bfc\u81f4\u6027\u80fd\u5f00\u9500\u3002<\/p>\n<\/p>\n
\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u88c5\u9970\u5668\uff0c\u7528\u4e8e\u8bb0\u5f55\u51fd\u6570\u6267\u884c\u65f6\u95f4\uff1a<\/p>\n<\/p>\n
import time<\/p>\n
def timing_decorator(func):<\/p>\n
    def wrapper(*args, kwargs):<\/p>\n
        start_time = time.time()<\/p>\n
        result = func(*args, kwargs)<\/p>\n
        end_time = time.time()<\/p>\n
        print(f"\u6267\u884c\u65f6\u95f4: {end_time - start_time}\u79d2")<\/p>\n
        return result<\/p>\n
    return wrapper<\/p>\n
@timing_decorator<\/p>\n
def example_function():<\/p>\n
    time.sleep(2)<\/p>\n
example_function()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u5408\uff0c\u5e94\u907f\u514d\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684\u88c5\u9970\u5668\u548c\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u6548\u7387\u3002<\/p>\n<\/p>\n
\u5341\u4e8c\u3001\u589e\u52a0\u5185\u5b58\u6d88\u8017<\/p>\n<\/p>\n
\u589e\u52a0\u5185\u5b58\u6d88\u8017\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5927\u6570\u636e\u7ed3\u6784\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5927\u91cf\u91cd\u590d\u6570\u636e\u7684\u5217\u8868\u6216\u5b57\u5178\u3002<\/p>\n<\/p>\n
\u5047\u8bbe\u4f60\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5927\u91cf\u91cd\u590d\u5143\u7d20\u7684\u5217\u8868\uff1a<\/p>\n<\/p>\n
large_list = [0] * 10000000<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u5904\u7406\u5927\u6570\u636e\u7ed3\u6784\u65f6\uff0c\u5e94\u8003\u8651\u6570\u636e\u7ed3\u6784\u7684\u9002\u7528\u6027\u548c\u5185\u5b58\u5360\u7528\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u51cf\u6162Python\u7a0b\u5e8f\u7684\u901f\u5ea6\u3002\u7136\u800c\uff0c\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u7684\u662f\u63d0\u9ad8\u7a0b\u5e8f\u6027\u80fd\uff0c\u800c\u4e0d\u662f\u964d\u4f4e\u901f\u5ea6\u3002\u56e0\u6b64\uff0c\u5728\u5e94\u7528\u8fd9\u4e9b\u65b9\u6cd5\u65f6\uff0c\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u573a\u666f\u8fdb\u884c\u5408\u7406\u9009\u62e9\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u6545\u610f\u51cf\u6162\u7a0b\u5e8f\u7684\u8fd0\u884c\u901f\u5ea6\uff1f<\/strong>
\u53ef\u4ee5\u901a\u8fc7\u5728\u4ee3\u7801\u4e2d\u5f15\u5165\u5ef6\u8fdf\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4f7f\u7528time<\/code>\u6a21\u5757\u4e2d\u7684sleep<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u5728\u7a0b\u5e8f\u7684\u67d0\u4e9b\u90e8\u5206\u6dfb\u52a0\u6682\u505c\u3002\u4f8b\u5982\uff0ctime.sleep(1)<\/code>\u4f1a\u4f7f\u7a0b\u5e8f\u6682\u505c1\u79d2\u3002\u901a\u8fc7\u5728\u5173\u952e\u4ee3\u7801\u6bb5\u4e2d\u63d2\u5165\u8fd9\u79cd\u5ef6\u8fdf\uff0c\u53ef\u4ee5\u63a7\u5236\u7a0b\u5e8f\u7684\u8fd0\u884c\u901f\u5ea6\u3002<\/p>\n
\u51cf\u6162Python\u7a0b\u5e8f\u901f\u5ea6\u7684\u5e38\u89c1\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong>
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