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

Example Input: ['in', 'r', 'contrast.', 'v']
Example Output: inrcontrast.v

Example Input: ['W', 'V', 'tell', 'N', 'they', 'f']
Example Output: WVtellNtheyf

Example Input: ['S', 'x', 'from', 'M', 'pen-knife,', 'O']
Example Output:
SxfromMpen-knife,O