how to write memory-efficient classes in Python, focusing on three techniques: using slots, optimizing the use of class attributes, and minimizing object creation within loops.
To format a memory card:
Highlight USER SETTING > FORMAT in the setup menu and press MENU/OK.
A confirmation dialog will be displayed. To format the memory card, highlight OK and press MENU/OK. To exit without formatting the memory card, select CANCEL or press DISP/BACK.