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#!/usr/bin/env python
import requests
from bs4 import BeautifulSoup

# 这个装饰器会告诉行分析器 
# 我们想要分析这个函数
@profile
def get_urls():
    response = arequests.get('https://www.csdn.net/')
    s = BeautifulSoup(response.content, 'lxml')
    urls = []
    for url in s.find_all('a'):
        urls.append(url['href'])

if __name__ == '__main__':
    get_urls()

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from memory_profiler import profile

@profile
def my_func():
    a = [1] * (10 ** 6)
    b = [2] * (2 * 10 ** 7)
    del b
    return a

if __name__ == '__main__':
    my_func()