[split] max and min

[Tbakks]

largest = None
smallest = None
while True:

        nums = input("Enter a number: ")
        if nums == "done":
            break
        try:
            num = int(nums)
        except:
            print("Invalid input")
            continue
        if largest is None or largest < num:
            largest = num
        elif smallest is None or smallest > num:
            smallest = num
    #except ValueError:
        #print("Invalid input")

print ("Maximum is", largest)
print ("Minimum is", smallest)