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

Example Input: ['c', 'collapsed,', 'B', 'returns', 'V', 'Q', 'u']
Example Output: ccollapsed,BreturnsVQu

Example Input: ['a', 'Q', 'cases,', 'G', 'Q', 'i', 'a', 'e', 'V', 'b', 'k', 'the', 'B']
Example Output: aQcases,GQiaeVbktheB

Example Input: ['on', 'Y', 'that', 'P', 'b', 'q', 'do', 'm', 'Mr.', 'P', 'U']
Example Output:
onYthatPbqdomMr.PU