In this task you will be given a list of strings and you need to concatenate them.

Example Input: ['u', 'parts', 'm', 'day', 'P', 'the', 'w', 'v', 'J', 'A', 'n', 'W']
Example Output: upartsmdayPthewvJAnW

Example Input: ['countless', 'O', 'J', 'H']
Example Output: countlessOJH

Example Input: ['i', 'c', 'him?4that9s', 'Q']
Example Output:
ichim?4that9sQ