Chapter_4_Programming_Assignment_1

# ------------------------------------------------------------
#Student: Austin Wells
#Class: CIS122
#Date: 4/13/2015
#Program Title: Chapter 4 Programming Excercise 1.py
#(Roman Numerals)
#Program Description:  Promt the user for a number between 1-10, 
#check the input for the proper range and display the appropriate 
#roman numberal
# ------------------------------------------------------------

#validates input range between 1 and 10
def inputRangeValidate(inputRange):
	if (inputRange <= 10 and inputRange >= 1 ):
		valid = True
	else:
		valid = False
	return valid

# prompts user for a number between 1 and 10.
def promptForNumber(strPrompt):
            
    userInput = int(raw_input(strPrompt + ": "))
    
    print '{}' .format(userInput)
    
    return userInput

#converts an integer to a Roman Numeral
def integerToRomanNumeral(userInput):
    
    romanNumerals = ["I","II","III","IV","V","VI","VII","VIII","IX","X"]
    
    print '\nThe Roman Numeral of the integer {} is {} \n' .format(userInput, romanNumerals[userInput - 1])
    
#main driver function    
def main():   	
    
	
		try:
			nonValidatedUserInput = promptForNumber("Please enter a number between 1 and 10")			
		
		except (ValueError):
            
			print '\n\nInvalid input. You have entered a non integer. Please enter a number between 1 and 10'
            
		except (EOFError):
            
			print '\n\nInvalid input. You have forgotten to add input. Please Reset program and then enter a number between 1 and 10'
            
		else:
			
			isValid = inputRangeValidate(nonValidatedUserInput)
            
			if (isValid):    
                
				validInput = nonValidatedUserInput
                
				integerToRomanNumeral(validInput)

else:
                
				print '\nInvalid input range. Please enter a number between 1 and 10'
        
main()

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