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: 10, 16, ['s', '9789', '1437', '1339', 'l', '4411', 'b', 'd', '4489', 'U', '2967', 'j', 'g', '2589', '8319', 'I']

SOLUTION: U2967jg25898319I

PROBLEM: 7, 9, ['8705', '6055', 'j', 'E', '5211', '7127', 'I', '4249', '3847', '5185']

SOLUTION: I42493847

PROBLEM: 2, 10, ['z', 'M', '9493', '3017', 'H', 'k', '7639', 'g', '1007', '6741', '9585', 'C', 'b', 'f', 'M', 'R', 'v', 'p', '4819', 'm', 'x']

SOLUTION:
M94933017Hk7639g10076741