TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'two indian women in colorful garb standing barefoot with two indian men'. Find frequency of the letter 'd'

SOLUTION: 3

PROBLEM: Sentence: 'salad and vegetables with me on top of plate'. Find frequency of the letter 'o'

SOLUTION: 3

PROBLEM: Sentence: 'this is a barn with a horse peeking his head out'. Find frequency of the letter 'b'

SOLUTION:
1