TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a teddy bear is sitting on a heart shaped patio chair outside'. Find frequency of the letter 'i'

SOLUTION: 6

PROBLEM: Sentence: 'a herd of giraffe walking across a field'. Find frequency of the letter 'k'

SOLUTION: 1

PROBLEM: Sentence: 'apartment interior showing kitchen, eating and living areas'. Find frequency of the letter 'l'

SOLUTION:
1