Linux: c'est déjà installé Win$ et Mac: débrouillez-vous ?

Je décide de bpython3

bpython version 0.16 on top of Python 3.5.3 /usr/bin/python3
>>> 1
1
>>> 3.14
3.14
>>> 1+2
3
>>> labomedia
Traceback (most recent call last):
  File "<input>", line 1, in <module>
    labomedia
NameError: name 'labomedia' is not defined
>>> "Labomedia"
'Labomedia'
>>> 

>>> a=1
>>> b=2
>>> a+b
3

and as class def elif else except False for from global if import in
lambda None not or pass return True try while with