TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'the bathroom is in need of remodel'. Find frequency of the letter 'e'

SOLUTION: 5

PROBLEM: Sentence: 'a white paper plate with a slice of pizza on it'. Find frequency of the letter 'h'

SOLUTION: 2

PROBLEM: Sentence: 'a modern bathroom with a vanity sink and large bath tub'. Find frequency of the letter 'v'

SOLUTION:
1