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

Example Input: ['central', 'G', 'substance,', 'I', 'get', 'U', 'T', 'of', 'd', 'E', 'f', 'as', 'X']
Example Output: centralGsubstance,IgetUTofdEfasX

Example Input: ['f', 't', 'still', 'X', 'v']
Example Output: ftstillXv

Example Input: ['o', 'side', 'J', 'and', 'r', 'helm.', 'g', 'of', 'U']
Example Output:
osideJandrhelm.gofU