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

Ex Input:
['V', 'case', 'p', 'But', 'k', 's', 'planks,', 'q', 'and', 's', 'and', 'r', 'a', 'W', 'q']

Ex Output:
VcasepButksplanks,qandsandraWq


Ex Input:
['which', 'f', 'g']

Ex Output:
whichfg


Ex Input:
['when', 'k', 'B', 'k', 'rolled', 'D', 'U', 'M', 'considering', 'z', 's', 'trustworthy', 'L']

Ex Output:

whenkBkrolledDUMconsideringzstrustworthyL