While Python is still a dynamically typed language, in 2015, Python 3.5 gained support for Type Hints, which allow developers to include annotations that can be scrutinized by a type checker like ...

Using NumPy arrays with C libraries: A common use case for Cython is to write convenient Python wrappers for C libraries. Cython code can act as a bridge between an existing C library and NumPy ...

The “w+” tells Python that we are writing to a new file. If the file already exists, then that file is overwritten. If the file doesn’t already exist, then it will be created.