How to reverse a space-delimited-string word by word

Question

Anonym · Accepted Answer

1) Split string into words 
2) convert problem into, how to reverse a word 
   2.1) convert word into an array 
   2.2) reverse array
3) join back each individual problem

Anonym · Answer

Split the string word for word store push it in to an array
Do a for loop starting from the last element of the array with the stored words to the first and print

Anonym · Answer

> loop starting from the last element

It's not reverse a sentence. But reverse words in a sentence.

I.e. ABC Def hij --> CBA fed jih

ray · Answer

do with double linked list so only need one loop is enough. O(n)

Anonym · Answer

def spaceDelimited(input: str) -> str:
    return " ".join(input.split(" ")[::-1])

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