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

Input: Consider Input: Sentence: 'a man swinging at a tennis with a racquet on a court'. Replace the letter 't' with 'c' in the sentence.

Output: a man swinging ac a cennis wich a racquec on a courc

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

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

Input: Consider Input: Sentence: 'pair of giraffes standing next to a wooden pole barrier fence'. Replace the letter 'i' with 'k' in the sentence.
Output: pakr of gkraffes standkng next to a wooden pole barrker fence