# local_vs_global.py

# local_vs_global.py

class Car(object):
    __maxspeed = 0
    __name = ""

    def __init__(self):
        self.__maxspeed = 250
        self.__name = "Supercar"

    def drive(self):
        print 'global/hwy driving: maxspeed ' + str(self.__maxspeed)

    def change_maxspeed(self, limit):
        self.__maxspeed = limit

redcar = Car()
redcar.drive()
redcar.__maxspeed = 80  # will not change variable because its private
redcar.drive()
print 'local driving:', redcar.__maxspeed # local
redcar.change_maxspeed(40)
redcar.drive()