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

Ex Input:
Sentence: 'a well dressed man standing near his early bicycle'. Replace the letter 'e' with 'd' in the sentence.

Ex Output:
a wdll drdssdd man standing ndar his darly bicycld


Ex Input:
Sentence: 'two stuffed animal bears  sitting next to a candy bar and a flower pot on a table'. Replace the letter 'd' with 'w' in the sentence.

Ex Output:
two stuffew animal bears  sitting next to a canwy bar anw a flower pot on a table


Ex Input:
Sentence: 'a man is standing under a street sign'. Replace the letter 'n' with 't' in the sentence.

Ex Output:

a mat is statditg utder a street sigt