# Week 5 Ch 6 Ex 1: # This program uses a function that returns the area of a rectangle # The user is prompted to enter Length and Width and the program calls the function # that calculates the area of the rectangle # Written by Greg Lamb # Last modified on 04/22/2015 def area(width, height): return width*height #Ask user for height and width print("Enter the width and height dimensions at each prompt") width = float(input("Width is: ")) print(width) while width <=0: print("You must enter a postive number") width= float(input("Width is: ")) print(width) height = float (input("Height is: ")) print(height) while height <=0: print ("You must enter a positive number") height= float(input("Height is: ")) print(height) print("Congratulations the function in this program calculated the area of the rectangle to be {} .".format(area(width, height)))
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