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

Ex Input:
Sentence: 'red helicopter with landing wheels flying in the sky'. Replace the letter 'h' with 'y' in the sentence.

Ex Output:
red yelicopter wity landing wyeels flying in tye sky


Ex Input:
Sentence: 'a man and a child skiing down a mountain on a trail'. Replace the letter 'n' with 'm' in the sentence.

Ex Output:
a mam amd a child skiimg dowm a moumtaim om a trail


Ex Input:
Sentence: 'a man skating on his skateboard in between cones'. Replace the letter 'e' with 'v' in the sentence.

Ex Output:

a man skating on his skatvboard in bvtwvvn convs