Write a Python program that uses the random module to shuffle a list of numbers. Return the shuffled list.
Example 1:
Input: [1, 2, 3, 4, 5]
Output: [3, 1, 5, 4, 2] # Output may vary
Example 2:
Input: [6, 7, 8, 9, 10]
Output: [9, 7, 10, 8, 6] # Output may vary