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 person siting on the ground and decorating a parking meter'. Reverse all words of length '5' in the given sentence.

SOLUTION: a person siting on the ground and decorating a parking retem

PROBLEM: Sentence: 'a bucket in a dingy looking cement walled bathroom'. Reverse all words of length '8' in the given sentence.

SOLUTION: a bucket in a dingy looking cement walled moorhtab

PROBLEM: Sentence: 'a dog wearing goggles and a red collar sits in the backseat of a car with its tongue hanging out'. Reverse all words of length '7' in the given sentence.

SOLUTION:
a dog gniraew selggog and a red collar sits in the backseat of a car with its tongue gnignah out