#
# Program: interest.py
# Author:  James Tam
# Version: May 20, 2024
# Learning concepts:
# * The effect of not saving return values.

# function: calculateArea
# @introduction(float,float)
# @returns(float)
# Calculates the area of rectangle.
def calculateArea(length,width):
    area = length * width
    return(area)


# Starting execution point
# @start(none)
# @returns(nothing)
def start():
    print("Wrong: 4x3 !=0")
    area = 0
    calculateArea(4,3)
    print("Area:", area)
    print()

    print("Function return value accessed/stored: 4x3 ==12")
    area = 0
    area = calculateArea(4,3)
    print("Area:", area)

start()