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

Ex Input:
Sentence: 'a man standing next to a parking meter'. Replace the letter 'n' with 'p' in the sentence.

Ex Output:
a map stapdipg pext to a parkipg meter


Ex Input:
Sentence: 'bus with sheep decals in foreign language and doughnuts'. Replace the letter 'g' with 'i' in the sentence.

Ex Output:
bus with sheep decals in foreiin laniuaie and douihnuts


Ex Input:
Sentence: 'the clock is built into the side of a brick wall near a statue of two cranes'. Replace the letter 'b' with 'x' in the sentence.

Ex Output:

the clock is xuilt into the side of a xrick wall near a statue of two cranes