Refer to the following program:

a. How many parameters are passed to the function?

b. What are the values of the parameters?

c. What is the value of x within the function?

d. What is the value of y within the function?

e. What is the output of the program?

def sumDiff(x,y):

sum = x + y

diff = x - y

return sum, diff

s, d = sumDiff(4,5)

print( "The sum is", s, "and the difference is" d)