“Set .difference () operasi di python3” Kode Jawaban

Set .difference () operasi di python3

# Enter your code here. Read input from STDIN. Print output to STDOUT
n1 = int(input())
set_1 = set(map(int,input().split()))
n2 = int(input())
set_2 = set(map(int,input().split()))
print(len(set_1-set_2))