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

Set .difference() Operation

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379 Discussions

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  • sjayanitha2006
     + 0 comments
    # Read input
n = int(raw_input())
english = set(map(int, raw_input().split()))

m = int(raw_input())
french = set(map(int, raw_input().split()))

# Students subscribed to only English
only_english = english.difference(french)

# Output the count
print(len(only_english))

  • lucaszychen
     + 0 comments
    n = int(input())
englishpeople = list(map(int, input().split()))

m = int(input())
frenchpeople = list(map(int, input().split()))

peepls = (set(englishpeople) - set(frenchpeople))
print(len(peepls))``

  • sshreedevids
     + 0 comments

    u = int(input()) d = set(map(int,input().split())) h = int(input()) o = set(map(int,input().split())) print(len(d-o)) or print(len(d.difference(o)))

  • SVVBathini_w
     + 0 comments

    For Python3 Platform

    n_eng = int(input())
Eng = set(map(int, input().split()))
n_frn = int(input())
Frn = set(map(int, input().split()))

print(len(Eng - Frn))

  • vv779542
     + 0 comments
    n,a,m,b = int(input()),set(input().split()),int(input()),set(input().split())
print(len(a-b))