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, 4, ['R', '1121', '5943', '2875']

SOLUTION: R112159432875

PROBLEM: 2, 3, ['l', 'c', '4671']

SOLUTION: c4671

PROBLEM: 3, 5, ['6873', 'n', 'V', 'U', '7447', 'y', '259']

SOLUTION:
VU7447

