def functionWithExplicitParameters(a, b, c):
	# The order of arguments in the function call will match the
	# order of the parameters in the function definition
	print 'functionWithExplicitParameters:', a, b, c

def functionUsingAbritraryParameters(*arguments):
	# The order of the arguments in the function call will appear 
	# here as a tuple
	print 'functionUsingAbritraryParameters:',
	for arg in arguments:
		print arg,
	print

def functionUsingKeywords(**keywords):
	keys = sorted(keywords.keys())
	for kw in keys:
		print kw, ':', keywords[kw]


# An example from https://docs.python.org/2/tutorial/controlflow.html#keyword-arguments
# that uses explicit, arbitrary, and keyword arguments
def cheeseshop(kind, *arguments, **keywords): 
    print "-- Do you have any", kind, "?"
    print "-- I'm sorry, we're all out of", kind
    for arg in arguments:
        print arg
    print "-" * 40
    keys = sorted(keywords.keys())
    for kw in keys:
        print kw, ":", keywords[kw]

if __name__ == '__main__':

	# call each of the functions
	functionWithExplicitParameters('fred', 'mary', 'louise')	
	
	print "-" * 40 # print a dashed line 40 characters long

	functionUsingAbritraryParameters('fred', 'mary', 'louise')	

	print "-" * 40 # print a dashed line 40 characters long and a newline

	functionUsingKeywords(name='horace', dog='Ralf', age=21)

	print "-" * 40 # print a dashed line 40 characters long and a newline

	# from https://docs.python.org/2/tutorial/controlflow.html#keyword-arguments
	cheeseshop("Limburger", "It's very runny, sir.",
           "It's really very, VERY runny, sir.",
           "here is another arbitrary argument",
           shopkeeper='Michael Palin',
           client="John Cleese",
           sketch="Cheese Shop Sketch")