remdup(). This function removes duplicates from a given list, keeping only the first occurrence of any duplicated value. For example, given the list (1, 2, 3, 1), remdup() will remove the second occurrence of 1. 1. Study the function, and write an appropriate doc-string for it. 2. Create a test script while considering the following equivalence classes: - No duplicates. - One duplicated item. - One duplicated item, with duplicates appearing sequentially. - Multiple duplicated items appearing anywhere in the list. - The only boundary case is the empty list. def remdup(alist): Add the doc-string! alist.reverse() for i in range(len(alist)-1): while alist[i] in alist[i+1:]: del alist[i] alist.reverse()