Python Sentence Vowel Counter Program

Python Sentence Vowel Counter  – Write a program that takes a sentence as input and counts the number of vowels (a, e, i, o, u) in it.

Here’s a Python program that takes a sentence as input and counts the number of vowels (a, e, i, o, u) in it:

Python Sentence Vowel Counter Program

Source Code

# Function to count vowels in a sentence
def count_vowels(sentence):
    vowels = "aeiouAEIOU"
    vowel_count = 0

    for char in sentence:
        if char in vowels:
            vowel_count += 1

    return vowel_count

# Input from the user
user_sentence = input("Enter a sentence: ")

# Call the count_vowels function and display the result
vowel_count = count_vowels(user_sentence)
print("Number of vowels in the sentence:", vowel_count)

Output

Enter a sentence: hello sir g
Number of vowels in the sentence: 3

In this program:

1. We define a function called count_vowels that takes a string (sentence) as its argument.
2. Inside the function, we initialize vowel_count to 0. We also create a string vowels that contains all the vowels in both lowercase and uppercase.
3. We then iterate through each character in the sentence. For each character, we check if it exists in the vowels string. If it does, we increment the vowel_count by 1.
4. After processing the entire sentence, we return the vowel_count as the result.
5. The user is prompted to enter a sentence, and the count_vowels function is called with the user’s input. The program then prints the number of vowels in the sentence.

You can test this program with various sentences to count the number of vowels in each one.

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