How to Count the Number of Vowels in a String in Python


In this example, we will learn how to count the number of vowel letters in a string.

Source Code

#! /usr/bin/env python3
# -*- coding: utf-8 -*-

str = input("Please input the string: ")
n = 0
for x in str:
      if x == "A" or x == "E" or x == "I" or x == "O" or x == "U" or x == "a" or x == "e" or x == "i" or x == "o" or x == "u":
            n += 1
print("The number of vowels is: ", n)

Output:

Please input the string: appale
The number of vowels is: 3
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