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.
Input: 5, 15, ['7631', 'G', 'W', '6995', '531', '4189', '2407', 'U', 'A', 'C', '2953', '459', '9421', '3655', 'm', '907', 'w']

53141892407UAC295345994213655m