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Counting vowels in a string
Python
Easy
strings
Task «Counting vowels in a string»
Write a program that takes a string and counts the number of vowel letters (a, e, i, o, u) in it. The case of the letters is not taken into account. The program should output an integer — the number of vowels.
Input Format
One line containing arbitrary text.
Output Format
One integer — the number of vowels.
Examples
Example 1
INPUT
Hello World
OUTPUT
3
Example 2
INPUT
Python Programming
OUTPUT
4
main.py