Q$2)$ Define a function, reverse$\_$words, that takes in a string containing wordsQ$3)$ Define a Python function, last$\_$index$\_$in$\_$list$(),$ that takes in two parameters: a list

of integers and an integer. This function returns the index of the last occurrence of

the integer in the list.

Ex: Input: $[1,2,5,4,3,2],2$

Output: $5$

separated by a single space and returns another string where the words are reversed.

Ex: Input: $"$A B C D$"$

Output: $"$D C B A$"$