Une fonction qui ne renvoie rien retourne None

>>> def isMoreThan10(x):
...     """Return (x > 10) if (x < 20)."""
...     if x < 20 :
...             return x > 10
...
>>> test = isMoreThan10(2)
>>> test
False
>>> test = isMoreThan10(12)
>>> test
True
>>> test = isMoreThan10(21)
>>> test is None
True

Author:Jean-Philippe Camguilhem Contact:jean-philippe.camguilhem_at_makina-corpus.org