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

Ex Input:
Sentence: 'a chinese entree displayed on a red plate'. Replace the letter 'n' with 'z' in the sentence.

Ex Output:
a chizese eztree displayed oz a red plate


Ex Input:
Sentence: 'a woman walks by with a large suitcase and a polka dot umbrella'. Replace the letter 'e' with 'n' in the sentence.

Ex Output:
a woman walks by with a largn suitcasn and a polka dot umbrnlla


Ex Input:
Sentence: 'three people stand in front of the giraffe zoo section'. Replace the letter 'h' with 'e' in the sentence.

Ex Output:

teree people stand in front of tee giraffe zoo section