TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a young girl skiing down a snowy mountain'. Find frequency of the letter 'l'

SOLUTION: 1

PROBLEM: Sentence: 'an elephant has taken a man's hat in its trunk'. Find frequency of the letter 'p'

SOLUTION: 1

PROBLEM: Sentence: 'a young girl eating a large hot dog on a bun'. Find frequency of the letter 'b'

SOLUTION:
1