arrange

numpy.arange([start, ]stop, [step, ]dtype=None, *, like=None)

step: integer or real, optional

Return: ndarray
Array of evenly spaced values.

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])