2041_22T2.Q6

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写一个python脚本接受两个文件名参数，先对比两个文件中的总行数，如果不同则报错退出，如果相同则翻转第二个文件后逐行对比，如果发现不同则输出其第一个文件的行号。

也不需要想队列和堆，直接list然后反转后遍历。

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#!/usr/bin/env python3

import sys

file1_name = sys.argv[1]
file2_name = sys.argv[2]
file1 = []
file2 = []
with open(file1_name) as f1:
    for line in f1:
        if not line:
            continue
        file1.append(line.strip())
with open(file2_name) as f2:
    for line in f2:
        if not line:
            continue
        file2.append(line.strip())

if len(file1) != len(file2) :
    print(f"Not mirrored: different number of lines: {len(file1)} versus {len(file2)}")
    sys.exit(0)

file2=file2[::-1]

for i in range(len(file1)):
    if file1[i] != file2[i]:
        print(f"Not mirrored: line {i+1} different")
        sys.exit(0)

print("Mirrored")