can you do it more simple?

Question

i make above program with python
but i think this program is simpler
so if you make it,please teach me

a = input()
b = int(a)
c = b*9+9

print(c)

I

Answer 1

How about just:
print(int(input()) * 9 + 9)
?

Answer 2

But otherwise there is nothing to simplify.

You could replace:
b * 9 + 9

With:
(b + 1) * 9

But it's not simplier.

Answer 3

Thank you so much!i’m beginner🤵