Определение цветовой схемы веб-сайтов

Надеюсь, это поможет.

Num = int(input("Enter a large number: "))
if Num!=9: #does not contain 9
    Num2 = Num+10 
    print("If I added 10 to your number it would be:" , Num2) 
    print("The new number times 2 would be " , Num2*2) 
    count = 0; number = Num; 
    set1=set(str(number))
    if "9" in set1: 
        print("No 9s plz") 
    else: 
        while (number > 9): 
            number = number//10 
            count = count + 1 
            for i in range(1,count+1): 
                Num = Num+1*(10**i) 
                i = i+1 
                print("adding one to every digit on your first number would be: " , Num + 1)
else:
    print("Sorry we dont do 9s")