Challenge: Reversing First k Elements of Queue

Problem Statement

Implement the function reverseK(queue, k), which takes a queue and a number “k” as input and reverses the first “k” elements of the queue.

An illustration is also provided for your understanding.

Input

A queue and an integer k such that 0 $\leq$ k$\leq$ size of the queue

Output

Queue with first k elements reversed

Sample Input

Queue = [1,2,3,4,5,6,7,8,9,10]    k = 5

Sample Output

result = [5,4,3,2,1,6,7,8,9,10]