Problem Set 1 - Problem 1 #2
Description
Problem 1
Assume s is a string of lower case characters.
Write a program that counts up the number of vowels contained in the string s. Valid vowels are: 'a', 'e', 'i', 'o', and 'u'. For example, if s = 'azcbobobegghakl', your program should print:
Number of vowels: 5
Task of #1