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, 19, ['1899', '4271', 'D', '8199', 'm', '4847', '3631', '7637', '4429', '7541', 'g', '6763', '8281', 'N', '5505', '3547', '2173', 'P', 'R', '655', '4599', 'y', 'Z', '2059', '3229', 'c', '4363', '8351']

SOLUTION: 3631763744297541g67638281N550535472173PR

PROBLEM: 3, 5, ['1381', '3871', '329', 'r', '1787', '9913', 'I', 'b', 'I', 'k', '7125', 'd', '6585', '8679', '8263', '1257', 'b', 'E', '4733', '5709', 'B', '8095']

SOLUTION: 329r1787

PROBLEM: 1, 10, ['G', '2671', '751', 'a', 'T', 'Z', 'b', 'k', '633', 'p', '129', 'M', 'M', '9213']

SOLUTION:
G2671751aTZbk633p