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: 6, 7, ['9747', '2771', '8633', '4251', 'v', 'r', '6949', 'm', 'r', 'H']

SOLUTION: r6949

PROBLEM: 8, 19, ['K', 'X', '7907', 'q', '9587', '3037', '6277', 'D', 'H', '6185', '6775', '2505', '5841', 'z', 'u', '2285', '9575', '8269', 'm', 'z', '513', '6769', '1037', 'j', '2193']

SOLUTION: DH6185677525055841zu228595758269m

PROBLEM: 6, 12, ['W', '6465', '9429', '4547', '677', 'y', '7779', 'e', '6475', 'U', '577', '3789', '7091', 'Q', 'C', '5827', 'd', 'I', '4925', '7449', '9421', '3053', 'L', 'G', 'l', '4701', 'B', '4629', 'L', '3679']

SOLUTION:
y7779e6475U5773789