A set is an unordered collection of data type that it iterable, mutable, and has no duplicate elements.Python's set class represents the mathematical notion of a set.This is based on data Structure known as hash table.
We can use Set to check all elements are same or not in a list because of its property which restricts the duplicate element in a set.
Program:
#set a pointer to checkdefcheckList(myList):return len(set(myList)) == 1# Driver Code
myList = ['harry', 'harry', 'harry', 'harry']
if checkList(myList) == True:print("Equal")
else: print("Not Equal")
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