#!/usr/bin/python
# -*- coding: UTF-8 -*-

import sys
import numpy as np

'''
比较两个文件中的成语(4字) 有多少是重复的。

'''

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

array_1 = []
array_2 = []

with open(file1, 'r', encoding='utf-8-sig') as f:
    for word in f.read().splitlines():
        if len(word) ==4:
            array_1.append(word)
        else:
            print(word)

with open(file2, 'r', encoding='utf-8-sig') as f:
    for word in f.read().splitlines():
        if len(word) ==4:
            array_2.append(word)
        else:
            print(word)


print(len(array_1))
print(len(array_2))

array_same = []

for item in array_2:
    for it in array_1:
        if item == it :
            array_same.append(item)

print(len(array_same))
print(array_same)