TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a family out snow skiing on a blustery day'. Find frequency of the letter 'i'

SOLUTION: 3

PROBLEM: Sentence: 'three men are in a kitchen cooking and cutting through a dish'. Find frequency of the letter 'a'

SOLUTION: 4

PROBLEM: Sentence: 'a boat home sitting on a river bay'. Find frequency of the letter 'g'

SOLUTION:
1