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: 9, 19, ['8853', '5105', '8221', 'r', 'M', '2825', 'V', '6443', '6929', '1785', 'M', 's', '9271', 'L', 'r', '6183', '1977', 'V', 'r', '5283', 'A', 'o', '1221', 'R']

SOLUTION: 69291785Ms9271Lr61831977Vr

PROBLEM: 12, 20, ['e', '103', '5289', 'u', 'J', 'Z', 'n', '3135', '9139', '3517', '8931', 'd', '3055', 'T', 'l', '7499', '4177', 'n', '7127', 'v', 'd', 'Z', '6119', 'S', 'Y', 'w', 's', '9765', '2861', 'P']

SOLUTION: d3055Tl74994177n7127v

PROBLEM: 6, 11, ['5155', '2959', '1285', 'C', 'n', '2035', '9839', '8951', 'X', '2133', 't', 's', 'I', '5999', '7963', 'Q', '221', '1045']

SOLUTION:
203598398951X2133t