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

Example Input: ['w', 'will', 'y', 'S', 'i', 'felicity,', 'y', 'the', 'x']
Example Output: wwillySifelicity,ythex

Example Input: ['f', 'h', 'swiftly', 'W', 'b']
Example Output: fhswiftlyWb

Example Input: ['p', 'X', 'and', 'X', 'n', 'of', 'H']
Example Output:
pXandXnofH