将Perl脚本转换为Python:基于哈希键重复数据删除2个文件

import sys

def merge_files(file1, file2, output_file):
    data = {}
    with open(file1, 'r') as f:
        for line in f:
            key, value = line.strip().split('\t')
            data[key] = value

    with open(file2, 'r') as f:
        for line in f:
            key, value = line.strip().split('\t')
            if key not in data:
                data[key] = value

    with open(output_file, 'w') as f:
        for key, value in data.items():
            f.write(f"{key}\t{value}\n")

if __name__ == "__main__":
    if len(sys.argv) != 4:
        print("Usage: python merge_files.py <file1> <file2><output_file>")
        sys.exit(1)

    file1 = sys.argv[1]
    file2 = sys.argv[2]
    output_file = sys.argv[3]

    merge_files(file1, file2, output_file)