How to re-define a variable completely?

[de-souza]

Tangentially relevant:

Is it appropriate to say a variable is a label or box?

I’m new to Julia, but not to programming, so to help me learn, I’m writing some notes and training material. While reading Python Crash Course, the author describes a variable as: Variables are often described as boxes you can store values in. This idea can be helpful the first few times you use a variable, but it isn’t an accurate way to describe how variables are interpreted in Python. It’s much better to think of variables as labels you can assign to values. You can also say a variable ref…