int* a = new int[10];

l = [1,2,3,4]
l = range(10)

>>> [None for _ in range(10)]
[None, None, None, None, None, None, None, None, None, None]

>>> [None]*10
[None, None, None, None, None, None, None, None, None, None]

>>> x = []
>>> for i in range(10):
>>>    x.append(i)

>>> def initAndWrite_test():
...  x = [None]*10000
...  for i in range(10000):
...   x[i] = i
...
>>> def initAndWrite2_test():
...  x = [None for _ in range(10000)]
...  for i in range(10000):
...   x[i] = i
...
>>> def appendWrite_test():
...  x = []
...  for i in range(10000):
...   x.append(i)

>>> import timeit
>>> for f in [initAndWrite_test, initAndWrite2_test, appendWrite_test]:
...  print('{} takes {} usec/loop'.format(f.__name__, timeit.timeit(f, number=1000)*1000))
...
initAndWrite_test takes 714.596033096 usec/loop
initAndWrite2_test takes 981.526136398 usec/loop
appendWrite_test takes 908.597946167 usec/loop

initAndWrite_test takes 641.3581371307373 usec/loop
initAndWrite2_test takes 1033.6499214172363 usec/loop
appendWrite_test takes 895.9040641784668 usec/loop

import collections
max_4_items = collections.deque([None] * 4, maxlen=4)

>>> l = [None] * 4
>>> l
[None, None, None, None]

from numpy import *

l = zeros(10)

your_list = [None]*size_required

fix_array = numpy.empty(n, dtype = object)

from array import array
from itertools import repeat

a = array("i", repeat(0, 10))