python for everybody chapter 5.2 assignment
num = 0 largest = -1 smallest = None while True: num = input("Enter a number: ") if num == "done" : break try : numb = int(num) except : print('Invalid input') if smallest is None : smallest = numb elif numb < smallest : smallest = numb elif numb > largest : largest = numb print("Maximum is", largest) print("Minimum is", smallest)