'''module adder.py '''

# default arguments are evalutated only once, when the function definitions are processed
def addItem(item, theList = []):
	theList.append(item)	#Add item to end of list
	print(theList)

# If we don't know the order of arguments, we can use keyword arguments to give them values by name
def roots(a,b,c):
	print("A=",a)
	print("B=",b)
	print("C=",c)

# A function can take all 3 types of arguments, in this order
def example(arg1, *arg2, **kwargs):
	print("Arg1: ",arg1)
	for arg in arg2:
		print(arg)
	for key in kwargs.keys():
		print(key, ":", kwargs[key])

if __name__ == "__main__":
	myList = []
	addItem(3,myList)
	addItem(5)
	addItem(24)	
	addItem(25,myList)	
	roots(1,2,3)
	roots(a=12,c=19,b=5)
	example('one', 'two', 3, 'four', val1 = 'my leg!', val2 =[24,25])