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.

Ex Input:
Sentence: 'a man leaning forward as he swings a tennis racket'. Reverse all words of length '2' in the given sentence.

Ex Output:
a man leaning forward sa eh swings a tennis racket


Ex Input:
Sentence: 'two doubledecker buses are parked at a bus stop next to some buildings with another doubledecker bus on the road going the other direction behind them'. Reverse all words of length '1' in the given sentence.

Ex Output:
two doubledecker buses are parked at a bus stop next to some buildings with another doubledecker bus on the road going the other direction behind them


Ex Input:
Sentence: 'people are standing and sitting on a crowded bus'. Reverse all words of length '8' in the given sentence.

Ex Output:

people are gnidnats and sitting on a crowded bus