initialize a numpy array

Question

Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop,

Answer 1

Array analogue for the python's

a = []
for i in range(5):
    a.append(i)

is:

import numpy as np

a = np.empty((0))
for i in range(5):
    a = np.append(a, i)