TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a airplane that has a propeller on the wing'. How many words contain the letter 'z' in the sentence.

SOLUTION: 0

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: 'a backyard patio with outdoor furniture and an umbrella'. How many words contain the letter 'd' in the sentence.

SOLUTION:
3