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 child watching television changing the station with a remote'. Replace the letter 'n' with 'z' in the sentence.

Ex Output:
a child watchizg televisioz chazgizg the statioz with a remote


Ex Input:
Sentence: 'the meal on the dish is ready to be eaten'. Replace the letter 'y' with 'h' in the sentence.

Ex Output:

the meal on the dish is readh to be eaten