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

Ex Input:
Sentence: 'a basket holds flowers, twigs, and various fruits'. Replace the letter 'a' with 'g' in the sentence.

Ex Output:
g bgsket holds flowers, twigs, gnd vgrious fruits

Ex Input:
Sentence: 'a couple of kids laying in bed together'. Replace the letter 'o' with 'v' in the sentence.

Ex Output:
a cvuple vf kids laying in bed tvgether

Ex Input:
Sentence: 'a man outside in the snowing getting ready to ski'. Replace the letter 'e' with 't' in the sentence.

Ex Output:
a man outsidt in tht snowing gttting rtady to ski