TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a bowl of granola, dried fruit, and bananas'. Find frequency of the letter 'u'

SOLUTION: 1

PROBLEM: Sentence: 'a woman walking with a child that is in a wheelchair'. Find frequency of the letter 'k'

SOLUTION: 1

PROBLEM: Sentence: 'many carrots are stacked next to onions and broccoli'. Find frequency of the letter 'r'

SOLUTION:
4