TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a group of people standing around a table filled with assorted electronic devices'. Find frequency of the letter 'w'

SOLUTION: 1

PROBLEM: Sentence: 'a man with headphones on is hunched over a sink while being recorded'. Find frequency of the letter 'd'

SOLUTION: 4

PROBLEM: Sentence: 'a corner of a small bathroom with a sink next to a window'. Find frequency of the letter 'r'

SOLUTION:
3