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

Ex Input:
Sentence: 'two police officers riding horses down the street'. Replace the letter 'o' with 'd' in the sentence.

Ex Output:
twd pdlice dfficers riding hdrses ddwn the street


Ex Input:
Sentence: 'a male holding a baseball bat standing on a big white star'. Replace the letter 'a' with 'i' in the sentence.

Ex Output:
i mile holding i bisebill bit stinding on i big white stir


Ex Input:
Sentence: 'a boy is standing against a railing on a skateboard'. Replace the letter 'i' with 'n' in the sentence.

Ex Output:

a boy ns standnng agannst a ranlnng on a skateboard