Python 3 - Second Edition

19.6    Static Methods

The methods and attributes we’ve defined for our classes so far have always referred to concrete instances. In particular, each instance of the Account class (Section 19.2.4) has its own values for its owner, account_number, account_balance, max_daily_turnover, and turnover_today attributes, and the money_transfer, deposit, withdraw, and show methods can be meaningfully called only in conjunction with an existing instance of the Account class.

Such methods and attributes, which always refer to concrete instances, are referred to as nonstatic. This is contrasted with the static methods and attributes that are shared by all instances of a class.

19.6.1    Defining Static Methods

To define a static method, you can use the ...