TASK DEFINITION: In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.
PROBLEM: Sentence: 'a guy is jumping off a skateboard in the air'. Reverse all words of length '1' in the given sentence.

SOLUTION: a guy is jumping off a skateboard in the air

PROBLEM: Sentence: 'a black and white image of a wall with a stop sign on it'. Reverse all words of length '5' in the given sentence.

SOLUTION: a kcalb and etihw egami of a wall with a stop sign on it

PROBLEM: Sentence: 'collectible bears on display in costumes and the year they were released'. Reverse all words of length '7' in the given sentence.

SOLUTION:
collectible bears on yalpsid in costumes and the year they were released