Python Program to Count the Number of Vowels in a String

This is a Python Program to count the number of vowels in a string.

The program takes a string and counts the number of vowels in a string.

1. Take a string from the user and store it in a variable.
2. Initialize a count variable to 0.
3. Use a for loop to traverse through the characters in the string.
4. Use an if statement to check if the character is a vowel or not and increment the count variable if it is a vowel.
5. Print the total number of vowels in the string.
6. Exit.

Here is source code of the Python Program to remove the nth index character from a non-empty string. The program output is also shown below.

string=raw_input("Enter string:")
vowels=0
for i in string:
      if(i=='a' or i=='e' or i=='i' or i=='o' or i=='u' or i=='A' or i=='E' or i=='I' or i=='O' or i=='U'):
            vowels=vowels+1
print("Number of vowels are:")
print(vowels)

1. User must enter a string and store it in a variable.
2. The count variable is initialized to zero.
3. The for loop is used to traverse through the characters in the string.
4. An if statement checks if the character is a vowel or not.
5. The count is incremented each time a vowel is encountered.
6. The total count of vowels in the string is printed.

 
Case 1:
Enter string:Hello world
Number of vowels are:
3
 
Case 2:
Enter string:WELCOME
Number of vowels are:
3

Sanfoundry Global Education & Learning Series – Python Programs.

To practice all Python programs, here is complete set of 150+ Python Problems and Solutions.