How do I declare an array in Python?

I don't think you're asking the array module because you said it was a "primary question."

Python writes lists, not arrays.

Unlike the arrangement of C/C++, the list seems to have been named list because the length can vary dynamically and the type of element to store is independent.

How to write

variable = []

In fact, this is not a declaration, it is an assignment, but Python cannot hold a type fixed for a variable (dynamically transforming the type).

"This variable is only a list! There is no other type like an integer or a string!" It's impossible to decide together.