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, 12, ['1821', '663', 'w', '6961', 'R', 'e', '1137', '2003', '5241', 'p', 'T', 'r']

SOLUTION: pTr

PROBLEM: 10, 13, ['d', 'c', '9219', 't', 'r', 'h', '2597', 'W', 'S', 'Y', 'j', 'u', '649', 'y', 'm', '5891', '2817', 'z', '9693', '4181', 'V', '7817', 'U', 'u', '3971', '2825']

SOLUTION: Yju649

PROBLEM: 3, 5, ['8397', '4785', 'm', '3449', 'c', 'W']

SOLUTION:
m3449c