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

Example Input: Sentence: 'a tennis player wearing black shorts and blue shirt swinging at the ball'. Replace the letter 'w' with 'o' in the sentence.
Example Output: a tennis player oearing black shorts and blue shirt soinging at the ball

Example Input: Sentence: 'a woman is playing tennis on the tennis court'. Replace the letter 'r' with 'z' in the sentence.
Example Output: a woman is playing tennis on the tennis couzt

Example Input: Sentence: 'there are many people and having some fun'. Replace the letter 'i' with 'p' in the sentence.
Example Output:
there are many people and havpng some fun