python多线程下载多个文件怎么实现

可以使用Python的threading模块来实现多线程下载多个文件。以下是一个简单的示例代码：

import threadingimport requestsdef download_file(url, filename):response = requests.get(url)with open(filename, 'wb') as file:file.write(response.content)print(f'Downloaded {filename}')urls = ['https://example.com/file1.txt', 'https://example.com/file2.txt', 'https://example.com/file3.txt']filenames = ['file1.txt', 'file2.txt', 'file3.txt']threads = []for url, filename in zip(urls, filenames):thread = threading.Thread(target=download_file, args=(url, filename))thread.start()threads.append(thread)for thread in threads:thread.join()print('All files downloaded')

在这个示例中，我们创建了一个download_file函数来下载文件，然后使用threading.Thread创建多个线程来同时下载多个文件。最后，使用thread.join()来等待所有线程下载完成。

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