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

Ex Input:
['frequently', 'w', 'R', 'l', 'of', 'd', 'the', 'j']

Ex Output:
frequentlywRlofdthej


Ex Input:
['k', 'quit', 't', 'w', 'a', 'b']

Ex Output:
kquittwab


Ex Input:
['the', 'B', 'X', 'e', 'l', 'the', 'm', 'whale', 'U', 'b']

Ex Output:

theBXelthemwhaleUb