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

Ex Input:
Sentence: 'a bunch of giraffe stand around on a dirt covered area'. Replace the letter 'e' with 'p' in the sentence.

Ex Output:
a bunch of giraffp stand around on a dirt covprpd arpa


Ex Input:
Sentence: 'there are people camping and flying kites in a field'. Replace the letter 't' with 'j' in the sentence.

Ex Output:
jhere are people camping and flying kijes in a field


Ex Input:
Sentence: 'a man has his hand on top of a blender'. Replace the letter 'd' with 'o' in the sentence.

Ex Output:

a man has his hano on top of a blenoer