TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a woman walking with a child that is in a wheelchair'. Find frequency of the letter 'k'

SOLUTION: 1

PROBLEM: Sentence: 'a bowl of granola with raspberries and honey on top with a spoon'. Find frequency of the letter 'w'

SOLUTION: 3

PROBLEM: Sentence: 'a baseball player taking a swing at a ball'. Find frequency of the letter 'b'

SOLUTION:
3