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 skateboarder riding down a rail during the day'. Reverse all words of length '3' in the given sentence.

SOLUTION: a skateboarder riding down a rail during eht yad

PROBLEM: Sentence: 'a female tennis player is running to catch the ball'. Reverse all words of length '6' in the given sentence.

SOLUTION: a elamef sinnet reyalp is running to catch the ball

PROBLEM: Sentence: 'a man with skis and ski poles and a hat'. Reverse all words of length '3' in the given sentence.

SOLUTION:
a nam with skis dna iks poles dna a tah