Python object oriented programming

Question

What is the object argument in the code below and why is it used? What does it points to?
https://code.sololearn.com/cT4JQe8bhQCi/?ref=app

Answer 1

It is just a name to refer to the second argument that will be given to the function. In this particular example, anytime you do something + somethingElse, other will be rrplaced by somethingElse.

Answer 2

What do you mean by object argument?

Answer 3

sry the “other” argument

Answer 4

ohk ty

Answer 5

Do you know a good site to understand this concept more clearly ?