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

Example Input: ['that', 'W', 'Y', 'agony,', 'Z', 'cAvast', 'w', 'B']
Example Output: thatWYagony,ZcAvastwB

Example Input: ['O', 'Y']
Example Output: OY

Example Input: ['L', 'e', 'And', 'g', 't', 'smiling', 'F', 'i', 'E', 'dignity', 'W', 'little', 'Z']
Example Output:
LeAndgtsmilingFiEdignityWlittleZ