# Write a program that repeatedly prompts a user for integer numbers

# until the user enters 'done'. Once 'done' is entered, print out the largest

# and smallest of the numbers. If the user enters anything other than a valid number

# catch it with a try/except and put out an appropriate message and ignore the number.

# Enter 7, 2, bob, 10, and 4 and match the output below.

largest = None

smallest = None

while True:

value = input('Enter a number: ')

if value == 'done':

break

try:

intvalue = int(value)

except:

print('Invalid input')

continue

if smallest is None:

smallest = intvalue

elif intvalue < smallest:

smallest = intvalue

if largest is None:

largest = intvalue

elif intvalue > largest:

largest = intvalue

print('Maximum is', largest)

print('Minimum is', smallest)