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 couple walking in the rain using and umbrella'. Reverse all words of length '6' in the given sentence.

SOLUTION: a elpuoc walking in the rain using and umbrella

PROBLEM: Sentence: 'a clock tower with a weather vein that is lit up'. Reverse all words of length '7' in the given sentence.

SOLUTION: a clock tower with a rehtaew vein that is lit up

PROBLEM: Sentence: 'left handed batter awaits a pitch in a baseball game'. Reverse all words of length '4' in the given sentence.

SOLUTION:
tfel handed batter awaits a pitch in a baseball emag