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

[EX Q]: ['P', 'T']
[EX A]: PT

[EX Q]: ['h', 'X', 'j', 'the', 't', 'f', 'e', 'Q', 'of', 'D', 'L', 'unknown', 'l']
[EX A]: hXjthetfeQofDLunknownl

[EX Q]: ['a', 'T', 'D']
[EX A]:
aTD