Chapter_6_Programming_Assignment_1

# ------------------------------------------------------------
#Student: Austin Wells
#Class: CIS122
#Date: 4/29/2015
#Program Title: Chapter 6 Programming Excercise 1.py
#(Rectangle Area)
#Program Description: The program prompts the user for the width and length
#of a rectabgle and displays the area
# ------------------------------------------------------------

# prints the area of the rectangle
def printRect(area):
	   
	print 'The area of the rectangle is {}' .format(area)

# prompts user for input.
def promptForNumber(strPrompt):
            
    userInput = int(raw_input(strPrompt + ": "))
    
    print '{}' .format(userInput)
    
    return userInput

#calculates the area of a Rectangle
def calculateRect(widthVar,lengthVar):
    
    area = widthVar * lengthVar
            
    return area
    
#main driver function    
def main():   	
    
		try:
			widthVar = promptForNumber("Please enter the width of a rectangle")
			lengthVar = promptForNumber("Please enter the length of a rectangle")
			printRect(calculateRect(widthVar,lengthVar))
            
		
		except (ValueError):
            
			print '\n\nInvalid input. You have entered a non integer. Please enter an objects mass'
            
		except (EOFError):
            
			print '\n\nInvalid input. You have forgotten to add input. Please Reset the program and enter the width and length of the rectangle'
        				
			
main()

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