如何根据python中每一行的前面的编号将两个文件连接在一起

# 打开第一个文件并读取数据
with open('file1.txt', 'r') as file1:
    lines1 = file1.readlines()

# 打开第二个文件并读取数据
with open('file2.txt', 'r') as file2:
    lines2 = file2.readlines()

# 创建一个字典或列表来存储数据
data = {}

# 处理第一个文件的数据
for line in lines1:
    parts = line.split()
    if len(parts) >= 2:
        number = parts[0]
        content = ' '.join(parts[1:])
        data[number] = content

# 连接两个文件的数据
with open('output.txt', 'w') as output:
    for line in lines2:
        parts = line.split()
        if len(parts) >= 2:
            number = parts[0]
            content = ' '.join(parts[1:])
            if number in data:
                output.write(data[number] + ' ' + content + '\n')

# 关闭文件
file1.close()
file2.close()
output.close()