In this task, you need to replace a letter in the sentence with another given letter.

Ex Input:
Sentence: 'a tv and equipment sitting on a console'. Replace the letter 't' with 'l' in the sentence.

Ex Output:
a lv and equipmenl silling on a console


Ex Input:
Sentence: 'a person and a dog are on a bench'. Replace the letter 'e' with 'r' in the sentence.

Ex Output:
a prrson and a dog arr on a brnch


Ex Input:
Sentence: 'a couple of buses parked under a parking structure'. Replace the letter 'r' with 'i' in the sentence.

Ex Output:

a couple of buses paiked undei a paiking stiuctuie