Python 3 Programming Tutorial: Variables
In almost every single Python program you write, you will have variables. Variables act as placeholders for data. They can aid in short hand, as well as with logic, as variables can change, hence their name.
Variables help programs become much more dynamic, and allow a program to always reference a value in one spot, rather than the programmer needing to repeatedly type it out, and, worse, change it if they decide to use a different definition for it.
Variables can be called just about whatever you want. You wouldn't want them to conflict with function names, and they also cannot start with a number.
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