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: 1, 5, ['3467', 'R', '7973', 'n', 'i', 'T', '7517']

SOLUTION: 3467R7973ni

PROBLEM: 2, 6, ['1617', '33', 'R', 't', 'B', '6743', '8773', 'o', 's', 'G', 'J', 'M', 'P', '291', '201', 'C']

SOLUTION: 33RtB6743

PROBLEM: 1, 4, ['r', 'N', '579', 'K', '607']

SOLUTION:
rN579K