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

Ex Input:
Sentence: 'a person standing on some skis going through the snow'. Replace the letter 'o' with 'l' in the sentence.

Ex Output:
a persln standing ln slme skis gling thrlugh the snlw


Ex Input:
Sentence: 'a skier in the midst of a jump'. Replace the letter 'm' with 'd' in the sentence.

Ex Output:
a skier in the didst of a judp


Ex Input:
Sentence: 'a drab striped tie and a pen sitting next to it'. Replace the letter 'r' with 'c' in the sentence.

Ex Output:

a dcab stciped tie and a pen sitting next to it