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

Ex Input:
Sentence: 'this is a seafood platter with lobster and corn on the cob'. Replace the letter 't' with 'z' in the sentence.

Ex Output:
zhis is a seafood plazzer wizh lobszer and corn on zhe cob


Ex Input:
Sentence: 'a group of people play a video game in a living room'. Replace the letter 'p' with 'u' in the sentence.

Ex Output:
a grouu of ueoule ulay a video game in a living room


Ex Input:
Sentence: 'a close of up a half eaten chocolate cake'. Replace the letter 'o' with 'g' in the sentence.

Ex Output:

a clgse gf up a half eaten chgcglate cake