TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'tow birds flying by a long necked crane'. Find frequency of the letter 'f'

SOLUTION: 1

PROBLEM: Sentence: 'a small dog sits in the rear window of a car'. Find frequency of the letter 'm'

SOLUTION: 1

PROBLEM: Sentence: 'some people and two laptops on a yellow table'. Find frequency of the letter 'p'

SOLUTION:
4