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: 7, 8, ['C', 'W', '7259', 'e', 'O', '6851', '6971', 'q', 'r', 'G', '8919', '3871', '141', 'u', 'R']

SOLUTION: 6971q

PROBLEM: 3, 10, ['f', '2411', 'a', '8195', 'p', '6939', 'S', 'S', 'U', 'n', '3095', '8453', '4115', '6413', '8865']

SOLUTION: a8195p6939SSUn

PROBLEM: 4, 17, ['6611', '8891', '9315', '449', '3519', '5603', 'H', '8031', '7483', 'q', 'E', 'y', '2353', '4939', '3747', '8097', '5955', '673', '2493', '6293', 'w', 'o', 'l', 'T', '4827']

SOLUTION:
44935195603H80317483qEy23534939374780975955