TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'different sets of luggage in a baggage claim area'. Find frequency of the letter 'r'

SOLUTION: 2

PROBLEM: Sentence: 'decorated baseball cake in a clear plastic box'. Find frequency of the letter 'k'

SOLUTION: 1

PROBLEM: Sentence: 'man sitting down with a cigarette hanging out of his mouth'. Find frequency of the letter 'r'

SOLUTION:
1