np list of numbers from 1 to 5 code example

Example 1: create an array from 1 to n python

a_list = list(range(1, 5))

print(a_list)
[1,2,3,4,5]

Example 2: np.arange in python

>>> np.arange(3)
array([0, 1, 2])
>>> np.arange(3.0)
array([ 0.,  1.,  2.])
>>> np.arange(3,7)
array([3, 4, 5, 6])
>>> np.arange(3,7,2)
array([3, 5])