TASK DEFINITION: In this task you will be given a list of strings and you need to concatenate them.
PROBLEM: ['X', 'i', 'apprehension', 's']

SOLUTION: Xiapprehensions

PROBLEM: ['against', 'k', 'for', 'j', 'W', 'G', 'F', 'p', 'i', 'advance', 'P', 'j', 'E']

SOLUTION: againstkforjWGFpiadvancePjE

PROBLEM: ['x', 'u']

SOLUTION:
xu