TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a man and several white red and blue airplanes'. Find frequency of the letter 'u'

SOLUTION: 1

PROBLEM: Sentence: 'a man swinging a bat while playing baseball'. Find frequency of the letter 'm'

SOLUTION: 1

PROBLEM: Sentence: 'the buxom young lady leans over a metal railing while checking her cell phone'. Find frequency of the letter 'u'

SOLUTION:
2