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

Ex Input:
Sentence: 'a kitchen scene with a lot of items on the counters'. Replace the letter 't' with 'm' in the sentence.

Ex Output:
a kimchen scene wimh a lom of imems on mhe counmers

Ex Input:
Sentence: 'a street pole stating three different street names and numbers'. Replace the letter 'm' with 't' in the sentence.

Ex Output:
a street pole stating three different street nates and nutbers

Ex Input:
Sentence: 'a person in tennis wear holding a tennis racket'. Replace the letter 'e' with 't' in the sentence.

Ex Output:
a ptrson in ttnnis wtar holding a ttnnis racktt