Instructions: In this task you will be given a list of strings and you need to concatenate them.
Input: ['infantileness', 'i', 'sir;', 'u', 'since', 'W', 'D', 'of', 'M', 'k', 'x', 'K', 'with', 'p', 'B']
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
infantilenessisir;usinceWDofMkxKwithpB