>>> from maclaurin2 import serie1, serie2

>>> round(serie1(0.2, 0.001), 1)
1.2
>>> round(serie1(-0.8, 0.0001), 3)
0.556

>>> round(serie2(0.2, 0.001), 1)
0.2
>>> round(serie2(-0.8, 0.0001), 3)
-0.675
>>> round(serie2(0.4, 0.0001), 4)
0.3805