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

['j', 'of', 'O']
jofO

['they', 'X', 'n', 'N']
theyXnN

['and', 'Z', 'those', 'O', 'had', 'j', 'one', 'P', 'Q', 'me,', 'z', 'B']

andZthoseOhadjonePQme,zB