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

Ex Input:
Sentence: 'a formal dinning room in a stately manor'. Replace the letter 'n' with 'o' in the sentence.

Ex Output:
a formal diooiog room io a stately maoor


Ex Input:
Sentence: 'a woman holding the arm of a life size teddy bear in a guard outfit'. Replace the letter 'g' with 'a' in the sentence.

Ex Output:
a woman holdina the arm of a life size teddy bear in a auard outfit


Ex Input:
Sentence: 'two identical row boats side by side in water at dock'. Replace the letter 'i' with 'z' in the sentence.

Ex Output:

two zdentzcal row boats szde by szde zn water at dock