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

Ex Input:
Sentence: 'a man walking his dog near a sandy area'. Replace the letter 'i' with 'g' in the sentence.

Ex Output:
a man walkgng hgs dog near a sandy area


Ex Input:
Sentence: 'two giraffe standing in an enclosure at the zoo next to a  tree'. Replace the letter 'n' with 'g' in the sentence.

Ex Output:
two giraffe stagdigg ig ag egclosure at the zoo gext to a  tree


Ex Input:
Sentence: 'the big sandwich features several different  colorful ingredients'. Replace the letter 'e' with 'o' in the sentence.

Ex Output:

tho big sandwich foaturos sovoral difforont  colorful ingrodionts