You might remember we mentioned that Python object types can be dynamic – the type can be defined by the value you tell the object to store or by the operations you perform on the object.

As pure Python code, it’s slow, because Python must convert back and forth between machine-native numerical types and its own internal object types. Now consider the Cython version of the same ...

The names of objects don’t have types, but the objects themselves do. That said, Python has recently added support for optional compile-time type hinting , so projects that might benefit from ...

But in actuality, Python will ignore these type annotations completely. Moreover, you can use any object you want in an annotation; although it's typical to use a type, you actually can use anything. ...