# A Pythonic Object Sample code for Chapter 11 of _Fluent Python 2e_ by Luciano Ramalho (O'Reilly, 2020) The _memtest.py_ script takes a module name in the command line and loads it. Assuming the module defines a class named `Vector`, _memtest.py_ creates a list with 10 million instances, reporting the memory usage before and after the list is created.