""" Variable length function argument lists """ # In some cases it will be useful for a function to be able to # handle an arbitrary number of arguments. # These are called variable length arguments lists. def tuple_var_args(arg1, arg2 = 'defaultB', *the_rest) : print 'formal arg1:', arg1 print 'formal arg2:', arg2 print 'the rest:', str(the_rest) print 'the type of the type(the_rest)', type(the_rest) # let's call this function: # you can call it with a single argument: tuple_var_args('one') # or two: tuple_var_args('one', 'two') # note that in the above two calls the tuple of additional # arguments is empty # when we use more than two arguments any additional argument # is stored in the tuple: tuple_var_args('one', 'two', 'three', 'four')