need python code for these functions

def setitem_(self, i: int, value) > None: 'sets the element at index, i, to value. Allows indexing syntax. Parameters: - self: mandatory reference to this object - i: the index of the elemnent to be set - value: the value to be set Returns: none ' ' \# Ensure bounds. assert 0 'Mylist': 'Iterator function to return an iterator (self) that allows iteration over this list. Parameters: - self: mandatory reference to this object Returns: an iterator (self) that allows iteration over this list. \# Initialize iteration index. self._iter_index: int =0 return self next_(self): Parameters: - self: mandatory reference to this object Returns: the next value in this list since the last iteration. ' if self._iter_index self._iter_index +=1 return value else: \# End of Iteration self._index =0 raise Stopiteration