import math
import numpy as np
arraySize = 10
arrayPrecision = 0.1
array = []
x = 0
f_x = x

def arrayMaker():
   global x
   global f_x
   for n in np.arange(-arraySize/2, 0, arrayPrecision):
       x = n
       array.append(f_x)
   for n in np.arange(0, (arraySize/2)+0.1, arrayPrecision):
       x = n
       array.append(f_x)
   print(array)