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

Example Input: ['Q', 'k']
Example Output: Qk

Example Input: ['groaned', 'D', 'indifference', 'B', 'currents', 'x', 'l']
Example Output: groanedDindifferenceBcurrentsxl

Example Input: ['even', 't', 'z', 'Birmah,', 'g', 'B', 'j', 'in', 'L', 'Z', 'personally', 'X', 'I', 'g']
Example Output:
eventzBirmah,gBjinLZpersonallyXIg