TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a tabby cat under a white comforter and on top of a cream colored pillow'. How many words contain the letter 'l' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a view from inside a train cart going down a track'. How many words contain the letter 'e' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'the sleek fighter jet is flying sideways through the air'. How many words contain the letter 'n' in the sentence.

SOLUTION:
1