function named count_vowels. This function takes a single string as input and returns a dictionary. The dictionary should contain counts of each vowel ('a', 'e', 'i', 'o', 'u') found in the string. It ...

A beginner-friendly Python program that allows users to enter a sentence and counts the number of vowels (a, e, i, o, u). It also reports how many times each vowel appears.