1_3_4.py

'''
def food_id(food):
	Returns categorization of food
    food is a string
	returns a string of categories
	
	# The data
	fruits = ['apple', 'banana', 'orange']
	citrus = ['orange']
	starchy = ['banana', 'potato']

	# Check the category and report
	if food in fruits:
		if food in citrus:
			return 'Citrus, Fruit'
		else:
			return 'NOT Citrus, Fruit'
	else:
		if food in starchy:
			return 'Starchy, NOT Fruit'
		else:
			return 'NOT Starchy, NOT Fruit'

def food_id_test():
	# Unit test for food_id
	# returns True if good, returns False and prints error if not good
	
	works = True
	if food_id('orange') != 'Citrus, Fruit':
		works = False
		print('orange bug in food id()')
	if food_id('banana') != 'NOT Citrus, Fruit':
		works = False
		print('banana bug in food_id()')
	if food_id('potato') != 'Starchy, NOT Fruit':
		works = False
		print('potato bug in food_id()')
	if food_id('donut') != 'NOT Starchy, NOT Fruit':
		works = False
		print('donut bug in food_id()')
		# Add tests so that all lines of code are visited during test
	if works:
		print('food_id passed all tests')
		return works
food_id_test()
'''
def f(x):
	if int(x) == x:
		if x%2 == 0:
			if x%3 == 0:
				print(x, 'is a multiple of 6')
			else:
				print(x, 'is even')
		else:
			print(x, 'is odd')
	else:
		print(x, 'is not an integer')
	return x

f(18)
f(8)
f(9)
f(9.2)
while True:
	number = input("Pick a number: ")
	if number == 'stop':
		break
	else:
		number = eval(number)
	f(number)
	continue