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

Ex Input:
Sentence: 'a man that is throwing a frizbee in the woods'. Replace the letter 'g' with 'u' in the sentence.

Ex Output:
a man that is throwinu a frizbee in the woods


Ex Input:
Sentence: 'a lonley giraffe is making a trek in the wild'. Replace the letter 'r' with 'h' in the sentence.

Ex Output:
a lonley gihaffe is making a thek in the wild


Ex Input:
Sentence: 'this is a boy about to swing a bat to hit the baseball'. Replace the letter 's' with 'h' in the sentence.

Ex Output:

thih ih a boy about to hwing a bat to hit the baheball