比较两个文件并将公共行提取到两个单独的文件中

def compare_files(file1, file2):
    # 打开并读取两个文件的内容
    with open(file1, 'r') as f1, open(file2, 'r') as f2:
        lines1 = f1.readlines()
        lines2 = f2.readlines()

    # 比较文件内容并提取公共行
    common_lines = []
    for line in lines1:
        if line in lines2:
            common_lines.append(line)

    # 将公共行分别写入两个单独的文件中
    with open('file1_common_lines.txt', 'w') as f1_common, open('file2_common_lines.txt', 'w') as f2_common:
        f1_common.writelines(common_lines)
        f2_common.writelines(common_lines)

    print("公共行提取完成！")

# 调用函数进行文件比较和提取
compare_files('file1.txt', 'file2.txt')