Christmas flake

Author: Raúl Romero Martín
Category: Christmas Challenge
System:   PC
Language: Python
Len source code: 198
Len exe file:    198
Len code only:   198 (valid for assembler only; length of executable without BASIC stub)
Instructions:
You can use https://colab.research.google.com/. Just copy and paste the code in a cell.
Description:
<how the code works>
Comments:
<anything left to say>