4.2 recktangle 1

#This program calculates circumference and area of rectangle#
#############################################################

# Circumference of a rectangle
def rectangle_circumference(length, width):
    circumference = 2 * a + 2 * b
    return circumference

# Area of a rectangle
def rectangle_area(length, width):
    area = a * b
    return area

# Length and width of a square

a = float(input("Please enter length of a recktangle: "))
b = float(input("Please enter width of a rectangle: "))
C = rectangle_circumference(a,b)
A = rectangle_area(a,b)

# Print the result
print("\n")
print("The circumference and area of a recktangle are %f and %f, respectively." % (C,A))