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  1. Prepare
  2. Python
  3. Sets
  4. Set .difference() Operation
  5. Discussions

Set .difference() Operation

  • mohamedhari317
     + 0 comments
    m=input()
l=set(map(int,input().split()))
n=input()
s=set(map(int,input().split()))
print(len(l.difference(s)))