#!/bin/python3
import math
import os
import random
import re
import sys
# Complete the checkMagazine function below.
from collections import defaultdict
def checkMagazine(magazine, note):
zd1= defaultdict(int)
zd2= defaultdict(int)
for ele in magazine:
zd1[ele]+=1
for ele in note:
zd2[ele]+=1
for ele in zd2.items(): ###注意不能少写.items()
if zd1[ele[0]]< ele[1]:
print('No')
return
print('Yes')
if __name__ == '__main__':
mn = input().split()
m = int(mn[0])
n = int(mn[1])
magazine = input().rstrip().split()
note = input().rstrip().split()
checkMagazine(magazine, note)
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转载自blog.csdn.net/weixin_45405128/article/details/104230472
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