If you want to use it inside a python script you have to import it. Let say you import it this way:
from unify import unify
Unify is written for converting from one unit to another. Let say you have a string like this:
Now if you need this length to be given in mm you do:
and now your length is in mm, whatever the unit in which it was given in the first place.
Note that the output returned by unify is still a string, so if you need to do a calculation with
lengthin the above example, you will need to call