Write test code in: if __name__ ==__main__:

proving that __getitem__ works for negative indices

# provides low-level arrays import ctypes from time import time class DynamicArray: """A dynamic array class akin to a simplified Python list.""" def _init (self): "" "Create an empty array.""" self. n 0 self. capacity - self. A = self. make array (self. capacity) #count actual elements # default array capacity # low-level array def len (self) """Return number of elements stored in the array.""" return self. n def getitem (self, k): """Return element at index k.""" if k