TASK DEFINITION: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to concatenate all elements of A from the ith element to the jth element, and print the resultant string. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
PROBLEM: 8, 12, ['m', 'v', '3139', '653', '9019', 'u', 'Y', 'a', 'e', '2067', '767', '5151']

SOLUTION: ae20677675151

PROBLEM: 1, 6, ['P', 'i', 'b', 'e', '3967', 'L']

SOLUTION: Pibe3967L

PROBLEM: 1, 3, ['6979', '85', '3775']

SOLUTION:
6979853775