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, 2, ['87', 'd']

SOLUTION: 87d

PROBLEM: 1, 10, ['f', 'C', '5879', '6395', '8353', 's', 'T', 'u', '9245', '6309', 'N', 'F', '259', '993']

SOLUTION: fC587963958353sTu92456309

PROBLEM: 18, 19, ['7745', 'u', '4007', '7081', 'f', 'G', '6389', '9397', '1873', '8991', 'p', '8205', '631', '833', '3729', 'l', '6093', '1119', '669', '2319', 'S', 'w', '6585', '6491', 'e', 'B', '8523', '8291', '5365', 'e']

SOLUTION:
1119669