gistfile1.py

>>> from __future__ import print_function
>>>
>>> developers_groups = ['developres', 'ninjas']
>>> ops_groups = ['ops', 'wheel']
>>> robots_groups = ['robots']
>>> company_groups = ['company']
>>>
>>> do_somth = lambda g: print(g)
>>> all_groups = developers_groups + ops_groups + robots_groups + company_groups
>>> for g in all_groups:
...     do_somth(g)
...
...
developres
ninjas
ops
wheel
robots
company