In this task, you need to count the number of times the given letter appears in the given sentence.

[EX Q]: Sentence: 'a knife a cutting board some bananas and a toaster'. Find frequency of the letter 'i'
[EX A]: 2

[EX Q]: Sentence: 'a family sitting at a table in a restaurant looking at their phones'. Find frequency of the letter 't'
[EX A]: 8

[EX Q]: Sentence: 'a bus idles on a street with its door open'. Find frequency of the letter 't'
[EX A]:
4