del list[index] never reallocates the array #158592

>>> import sys
>>> seq = list(range(1000))
>>> sys.getsizeof(seq)
8056
>>> for _ in range(1000):
...     seq.pop()
>>> sys.getsizeof(seq)
56

>>> import sys
>>> seq = list(range(1000))
>>> sys.getsizeof(seq)
8056
>>> for _ in range(1000):
...     del seq[-1]
>>> sys.getsizeof(seq)
8056