>>> from natu.units import m
>>> m
ScalarUnit(1, 'L', 'm', True) (m)

>>> from natu.units import degC
>>> degC # doctest: +ELLIPSIS
LambdaUnit(<function <lambda> at ...>, <function <lambda> at ...>, 'Theta', 'degC', True)

>>> from natu.units import degC
>>> 25*degC
Quantity(298.15, 'Theta', 'degC') (25.0 degC)

>>> from natu.units import *
>>> print(1*m)
1.0 m

>>> from natu.units import *
>>> 1*m
Quantity(1, 'L', 'm') (1.0 m)

>>> 100*pct == 1
True

>>> 1*m == m
True

check constants and units in all unit systems
