a.append(4) # append method to add an item. Python has a plethora of functions to interrogate objects, including id() to get the identity of an object (which usually returns the memory location of ...

The string "Hello there" is created and stored in memory as a Python object. The name x is created in the local namespace and pointed at that object, which increases its reference count by 1, to 1.

Py03 lets you combine Rust's speed and memory safety with Python's ease of use. Here's how to write Rust extensions for Python that work just like regular Python modules.