>>> array = ["a", "b", "c", "d", "e", "f"]
>>> slice1 = array[:3]
>>> slice2 = array[3:]
>>> print(array)
['a', 'b', 'c', 'd', 'e', 'f']
>>> print(slice1)
['a', 'b', 'c']
>>> print(slice2)
['d', 'e', 'f']
>>> slice1.append("BANG")
>>> print(array)
['a', 'b', 'c', 'd', 'e', 'f']
>>> print(slice1)
['a', 'b', 'c', 'BANG']
>>> print(slice2)
['d', 'e', 'f']
>>>