Underline in Python

Underline in Python

Summary:

1) a variable with "_" in front: private variable. A variable with "_" in front is not encapsulated and hidden, and can be accessed externally.

2) There is a variable "_" next to it. To avoid conflicts with existing keywords in Python

3) There are two "_" variables at the beginning and end, representing Magic Word in Python.

_ Single_leading_underscore: private variable.

Self. _ client = mock. Mock ()



Single_trailing_underscore _: avoid conflict with the keyword class.

Tkinter. Toplevel (master, class _ = 'classname ')



_ Double_leading_and_trailing_underscore __: each has two "_" variables, representing Magic Word in Python.

Def _ init _ (self ):