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

Ex Input:
Sentence: 'a city street at dusk time with traffic'. Replace the letter 'i' with 'm' in the sentence.

Ex Output:
a cmty street at dusk tmme wmth traffmc


Ex Input:
Sentence: 'a person flying through the air on the kite board'. Replace the letter 'h' with 'l' in the sentence.

Ex Output:
a person flying tlrougl tle air on tle kite board


Ex Input:
Sentence: 'a man in white shirt grinding on a skateboard'. Replace the letter 'n' with 'b' in the sentence.

Ex Output:

a mab ib white shirt gribdibg ob a skateboard