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

Ex Input:
Sentence: 'black and white image of a tattoo and piercing sign in a city'. Replace the letter 'e' with 'h' in the sentence.

Ex Output:
black and whith imagh of a tattoo and pihrcing sign in a city


Ex Input:
Sentence: 'there is a stepladder situated over a toilet'. Replace the letter 'r' with 'x' in the sentence.

Ex Output:
thexe is a stepladdex situated ovex a toilet


Ex Input:
Sentence: 'a woman is playing tennis on a court'. Replace the letter 'n' with 'd' in the sentence.

Ex Output:

a womad is playidg teddis od a court