How to find the last occurrence vowel in a given string in python

Problem: Write a python program to find the last occurrence of a character in a given string. In this case, the character will be a vowel.

Example

Input: "You are awesome"

Output: "Index of the last occurrence of the vowel is 14"

Solution

Iterate through the given string and check if each character is a vowel or not. When a vowel appears, update the index variable according to the index of that vowel or character.

Code

def checkVowel(ch):
    # returns true if the character is found in the list
    return ch.lower() in ['a', 'e', 'i', 'o', 'u']

def countVowel(string):
    index = -1
    for i in range(len(string)):
        if checkVowel(string[i]):
            # updating index variable 
            index = i
    return index

if __name__ == "__main__":
    string = "You are beautiful"
    status = countVowel(string)
    if status != -1:
        print("Index of the last occurrence vowel is: ", status)
    else:
        print("Sorry! No vowel found")

Output

Index of the last occurrence vowel is:  15

Exercise

☛Find the last occurrence of a consonant in a given string using python