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, 18, ['1863', 'R', '1949', '3689', 'w', '1387', '4909', '9037', '7395', 'X', '9247', 'T', 'n', 'B', '6779', 'b', '1799', '6755', 'z', '3861', '3669', 'G', 'V']

SOLUTION: X9247TnB6779b17996755

PROBLEM: 6, 8, ['4589', '6049', 'H', 'I', '5441', 'J', 'a', 'k', 'T', '8913', 't', '9319', 'z', 'E', 'u', 'B']

SOLUTION: Jak

PROBLEM: 5, 19, ['E', '6741', '2539', '1731', 'E', '3269', '1757', 'p', '3047', 'h', '1355', 'f', 'd', 'o', '4373', '5387', '1129', 'G', '6843', 'K', '1879', '5219', 'y']

SOLUTION:
E32691757p3047h1355fdo437353871129G6843