Many extensions simply provide functions for the Python code to use. In this case the only task that you have is to ensure that the C function can accept the arguments the Python function call passes ...

Arguments can be passed to Python functions by position or by keyword—generally both. There are times when API designers may wish to restrict some function parameters to only be passed by position, ...

Python supports default values for arguments to functions, but those defaults are evaluated at function-definition time. A proposal to add defaults that are evaluated when the function is called has ...

Writing GUI programs involves two basic steps. First, you need to write the code to create the interface, with elements, such as menus, and widgets, such as buttons, labels and entry fields. You then ...