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: 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

PROBLEM: 3, 6, ['7269', '329', '3751', 'i', '9639', '8939']

SOLUTION: 3751i96398939

PROBLEM: 12, 13, ['i', '3057', 'w', 'f', '2887', '3447', 'N', '9931', '7625', 'w', 'y', '5991', 'X', 'G', '813', 'v', 'o', '3117']

SOLUTION:
5991X