Given a string, count the number of vowels present in given string using Sets.
Prerequisite: Sets in Python
Input : GeeksforGeeks Output : No. of vowels : 5 Input : Hello World Output : No. of vowels : 3
1. Create a set of vowels using set() and initialize a count variable to 0.
2. Traverse through the alphabets in the string and check if the letter in the string is present in set vowel.
3. If it is present, the vowel count is incremented.
Below is the implementation of above approach:
No. of vowels : 5
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