writing a class or a function

[Larz60+]

everything in python is a class, including functions:

Python 3.7.1 (default, Nov 20 2018, 18:13:14) 
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> def zz():
...     print('abc')
... 
>>> type(zz)
<class 'function'>
>>> ww = {}
>>> type(ww)
<class 'dict'>
>>> a = 1
>>> type(a)
<class 'int'>
>>> quit()