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  1. arr1 = [6, 7, 3, 2]
  2. arr2 = [2, 3]
  3. n1 = len(arr1)
  4. n2 = len(arr2)
  5.  
  6. st = set()
  7. for i in range(n1):
  8. st.add(arr1[i])
  9.  
  10. for i in range(n2):
  11. if arr2[i] not in st:
  12. print("Arr2 is not a subset of Arr1")
  13. exit()
  14.  
  15. print("Arr2 is a subset of Arr1")
  16.  
Success #stdin #stdout 0.03s 9628KB
stdin
Standard input is empty
stdout
Arr2 is a subset of Arr1