arte/code_convention.py
def _say_something_private(self, x):
        """
        A private method.
        A leading underscore denotes private methods.
        """
        print(x)

        A private method.
        A leading underscore denotes private methods.
        
A private method.
A leading underscore denotes private methods.
A private method . A leading underscore denotes private methods .
def _say_something_private(self, x):
        print(x)
def _say_something_private ( self , x ) : print ( x )
A private method.
A private method .
"""
        A private method.
        A leading underscore denotes private methods.
        """
self
x