Question

Create a program that determines and displays the number of unique characters in a string entered...

Create a program that determines and displays the number of unique characters in a string entered by the user. For example, Hello NITS Students! has 15 unique characters, while zzzz has only one unique character.

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Answer #1

Ans:-

set can be used to count the number of unique character in string because set do not contains duplicates.

Its length gives the number of unique characters

Code:-

string = input()#Take input from user
s = set(string)#set () method use to create the set of characters in string
l = len(s) #determine length of set which gives the unique characters
print(l)# print the length of unique characters

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