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

Ex Input:
Sentence: 'a man sitting at a table and using his laptop'. Replace the letter 'd' with 'o' in the sentence.

Ex Output:
a man sitting at a table ano using his laptop


Ex Input:
Sentence: 'small kit bathroom sink with purple walls and lights on it'. Replace the letter 'o' with 'r' in the sentence.

Ex Output:
small kit bathrrrm sink with purple walls and lights rn it


Ex Input:
Sentence: 'a man who is eating some food out of a bowl'. Replace the letter 't' with 'u' in the sentence.

Ex Output:

a man who is eauing some food ouu of a bowl