TASK DEFINITION: In this task you will be given a list of strings and you need to concatenate them.
PROBLEM: ['Z', 'x', 'i', 'left', 'M', 'C', 'R', 'z', 'track,', 'X', 'h']

SOLUTION: ZxileftMCRztrack,Xh

PROBLEM: ['p', 'h', 'Pequod,', 'X', 'his', 'U', 'x', 'A']

SOLUTION: phPequod,XhisUxA

PROBLEM: ['K', 'casket,4the', 'P', 'his', 'u', 'had', 's', 'that', 'U']

SOLUTION:
Kcasket,4thePhisuhadsthatU