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

Ex Input:
Sentence: 'a plane getting ready to land on a runway'. Replace the letter 'n' with 'o' in the sentence.

Ex Output:
a plaoe gettiog ready to laod oo a ruoway


Ex Input:
Sentence: 'the two zebras standing out in the field'. Replace the letter 'h' with 'i' in the sentence.

Ex Output:
tie two zebras standing out in tie field


Ex Input:
Sentence: 'a tennis player is swinging at a tennis ball on a court'. Replace the letter 'i' with 'u' in the sentence.

Ex Output:

a tennus player us swungung at a tennus ball on a court