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, 11, ['Q', 'z', 'E', '4501', 'G', '4227', 'k', 'Y', '291', 'T', '1347', '6989', 'J', 'T', '7713', 't', '9903', '4703', '7389', '5391', '5111', 'Q', 'k']

SOLUTION: QzE4501G4227kY291T1347

PROBLEM: 10, 19, ['4773', '7937', 'd', '373', 'o', '8767', 'Z', 'g', '2719', '8613', '3229', '6447', 'v', 'I', 'A', 'e', 'r', 'J', 'K', 'o', '4065', 'A', 'B', '8201', 'i', '1045', 'N', 'D', '7449', 'S']

SOLUTION: 861332296447vIAerJK

PROBLEM: 7, 7, ['o', 'V', '8845', 'k', 'W', 'X', '3509']

SOLUTION:
3509