TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a group of giraffes walk together by a hill'. Find frequency of the letter 'b'

SOLUTION: 1

PROBLEM: Sentence: 'a young girl skiing down a snowy mountain'. Find frequency of the letter 'l'

SOLUTION: 1

PROBLEM: Sentence: 'a living room with a table and a shelf'. Find frequency of the letter 'h'

SOLUTION:
2