Access Modifier in Python

Python doesn't support private and protected, by default all fields and methods are public. Implementation decision has been left for developers.

Just a convention:

protected: _ (single underscore) private : __ (double underscore)

References:

• https://radek.io/2011/07/21/private-protected-and-public-in-python/
• https://stackoverflow.com/questions/2064202/private-members-in-python
• https://mail.python.org/pipermail/tutor/2003-October/025932.html