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issuperset() in Python

  • Difficulty Level : Easy
  • Last Updated : 05 Feb, 2018

The issuperset() method returns True if all elements of a set A occupies set B which is passed as an argument and returns false if all elements of B not present in A.
This means if A is a superset of B then it returns true; else False

Syntax:

A.issuperset(B)
checks whether A is a superset of B or not.

Returns:

True if A is a superset of B; otherwise false.

superset

Code 1:






# Python program to demonstrate working of
# issuperset().
  
A = {4, 1, 3, 5}
B = {6, 0, 4, 1, 5, 0, 3, 5}
  
print("A.issuperset(B) : ", A.issuperset(B))
  
# B is superset of A
print("B.issuperset(A) : ", B.issuperset(A))

Output:

A.issuperset(B) :  False
B.issuperset(A) :  True

Code 2:




# Python program to demonstrate working 
# of issuperset().
  
A = {1, 2, 3}
B = {1, 2, 3, 4, 5}
C = {1, 2, 4, 5}
  
print("A.issuperset(B) : ", A.issuperset(B))
  
print("B.issuperset(A) : ", B.issuperset(A))
  
print("A.issuperset(C) : ", A.issuperset(C))
  
print("C.issuperset(B) : ", C.issuperset(B))

Output:

A.issuperset(B) :  False
B.issuperset(A) :  True
A.issuperset(C) :  False
C.issuperset(B) :  False

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