Multiple Inputs
if a function has more than one input,
nparameters in the function definition are separated by commas
ninput values in the function call are separated by commas
n
nvalues are matched to parameters by order
p1st input value in the function call is assigned to the 1st parameter in the function
p2nd input value in the function call is assigned to the 2nd parameter in the function
p. . .
p
function OldMacVerse(animal, sound)
// Assumes: animal and sound are strings
// Results: displays corresponding Old MacDonald verse
{
    . . .
}
----------------------------------------------------------
OldMacVerse("cow", "moo");
OldMacVerse("moo", "cow");