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

print(a)

import numpy as np

np.arange(5)

np.arange(1, 10)

np.arange(2, 11, 2)

np.arange(1, 2, 0.1)

np.arange(1, 2, 0.1, dtype=np.int32)

np.linspace(1, 50)

np.linspace(1, 50).shape

np.linspace(1, 10, 5)

np.linspace(1, 10, num=5)

np.linspace(1, 10, 10, dtype=np.int32)

np.linspace(0, 10, num=10, endpoint=False)

