TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a dog sitting in the back of a truck flat bed'. Find frequency of the letter 'h'

SOLUTION: 1

PROBLEM: Sentence: 'a baseball themed birthday cake is on a serving tray'. Find frequency of the letter 'g'

SOLUTION: 1

PROBLEM: Sentence: 'a photo of a woman with long hair wearing a short blue dress rolling with a suitcase on a street with a crowd of people watching her'. Find frequency of the letter 'a'

SOLUTION:
11