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

Ex Input:
Sentence: 'a pair of planes in an airport lot parked for boarding and exiting'. Replace the letter 'e' with 'o' in the sentence.

Ex Output:
a pair of planos in an airport lot parkod for boarding and oxiting


Ex Input:
Sentence: 'a city street with cars and busses near buildings'. Replace the letter 'e' with 'd' in the sentence.

Ex Output:
a city strddt with cars and bussds ndar buildings


Ex Input:
Sentence: 'the door of the refrigerator has many magnets and small pictures on it'. Replace the letter 's' with 'z' in the sentence.

Ex Output:

the door of the refrigerator haz many magnetz and zmall picturez on it