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

Ex Input:
Sentence: 'nine geese flying south for the winter months'. Replace the letter 't' with 'f' in the sentence.

Ex Output:
nine geese flying soufh for fhe winfer monfhs


Ex Input:
Sentence: 'someone playing frisbee with a dog in the middle of a court'. Replace the letter 'd' with 'r' in the sentence.

Ex Output:
someone playing frisbee with a rog in the mirrle of a court


Ex Input:
Sentence: 'a photo taken from the ground of a person standing with their skateboard'. Replace the letter 'o' with 'p' in the sentence.

Ex Output:

a phptp taken frpm the grpund pf a perspn standing with their skatebpard