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

Ex Input:
Sentence: 'traffic congestion with cars and an electric tram'. Replace the letter 'a' with 'k' in the sentence.

Ex Output:
trkffic congestion with ckrs knd kn electric trkm


Ex Input:
Sentence: 'children practicing tee ball together with a male coach standing behind the hitter and a tennis court in the background'. Replace the letter 'd' with 'f' in the sentence.

Ex Output:
chilfren practicing tee ball together with a male coach stanfing behinf the hitter anf a tennis court in the backgrounf


Ex Input:
Sentence: 'a person with a camera standing in a room'. Replace the letter 'e' with 'd' in the sentence.

Ex Output:

a pdrson with a camdra standing in a room