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: 13, 20, ['9355', 's', 'j', 'r', '7489', '7795', 'i', 'l', 'T', 'e', 'Z', 'W', 'T', '9257', '6125', 'Y', '1549', 'H', 'L', '7783', 'b', 'b', 'N', '421']

SOLUTION: T92576125Y1549HL7783

PROBLEM: 2, 10, ['8615', '4155', 'k', '1061', '6223', 'V', '379', '4369', 'n', 'U', 'u', '5007', 'q', 'f']

SOLUTION: 4155k10616223V3794369nU

PROBLEM: 2, 14, ['8835', '7843', 'q', 'P', 'J', 'k', '9025', 'R', '207', '6287', 'U', '9921', 'j', 'x', '2497', 'm', 'K', '7467', 'f', 'F', '2233', 'h', '259', '3015', 'Q', '2387', '51', 'P', 'S']

SOLUTION:
7843qPJk9025R2076287U9921jx