>>> from minims import min3

--ini

>>> sol = min3(7.5, 3.0, 5.5)
>>> sol
3.0

>>> sol = min3(-7.5, 3.0, 5.5)
>>> sol
-7.5

>>> sol = min3(-7.5, -3.0, -15.5)
>>> sol
-15.5

>>> sol = min3(0.0, 0.0, 0.0)
>>> sol
0.0

--fi