create an numpy array of 100 values evenly spaced between 10 and 20 code example

Example: numpy arange number of elements

>>> import numpy as np
>>> np.linspace(start=0, stop=7.5, num=4)
array([ 0. ,  2.5,  5. ,  7.5])
>>> list(_)
[0.0, 2.5, 5.0, 7.5]