TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'an audience watches as a bird spreads its wings'. Find frequency of the letter 'd'

SOLUTION: 3

PROBLEM: Sentence: 'eight donuts are cooked together in oil in a metal tray'. Find frequency of the letter 'h'

SOLUTION: 2

PROBLEM: Sentence: 'an empty kitchen with several bowls of fruit on the counter top'. Find frequency of the letter 'a'

SOLUTION:
2