# The name of this file is python-module.py .
# To use Calculator class or hello_world function from other files, call import module (without py extension)

# Calculator class
class Calculator:
    def __init__(self):
        self.current = 0

    def add(self, amount):
        self.current += amount

    def get_current(self):
        return self.current


# Stand alone function
def hello_world(name):
    print("Hello, World! My name is %s" % name)