In the tutorial, there isn't a short section about the allowed name of variables.
So during the code, I discovered that _ is an allowed heading character.
I suggest, to introduce this section, explaining, officially the format of the allowed variable's names
In the tutorial, there isn't a short section about the allowed name of variables.
So during the code, I discovered that _ is an allowed heading character.
I suggest, to introduce this section, explaining, officially the format of the allowed variable's names