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

Ex Input:
Sentence: 'a man walking a horse on a dirt track'. Replace the letter 't' with 's' in the sentence.

Ex Output:
a man walking a horse on a dirs srack


Ex Input:
Sentence: 'a kitchen with open style cabinets and a counter full of liquor bottles'. Replace the letter 't' with 'p' in the sentence.

Ex Output:
a kipchen wiph open spyle cabineps and a counper full of liquor bopples


Ex Input:
Sentence: 'view out passenger side of a mountain and green field'. Replace the letter 'i' with 'y' in the sentence.

Ex Output:

vyew out passenger syde of a mountayn and green fyeld