TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a closet with a fan, luggage and various boxes'. Find frequency of the letter 'a'

SOLUTION: 6

PROBLEM: Sentence: 'a group of people standing around a table filled with assorted electronic devices'. Find frequency of the letter 'w'

SOLUTION: 1

PROBLEM: Sentence: 'someone leading a horse around an indoor arena'. Find frequency of the letter 'g'

SOLUTION:
1