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

['old', 'R', 'h', 'the', 'e', 'In', 'R']
oldRhtheeInR

['don9t', 'c', 'D', 'w', 'huge', 'W', 'were', 'c', 'y', 'the', 'z', 'U', 'Y', 'y']
don9tcDwhugeWwerecythezUYy

['W', 'k', 'f', 'z', 'h']

Wkfzh