This article explains Python’s built‑in vars() function, detailing its syntax, parameters, return value, and how it mirrors locals() when called without arguments, and provides clear examples showing its use with modules, classes, instances, and objects that define __dict__.
The article explains Python's built‑in callable() function, detailing how it determines whether objects such as functions, methods, classes, lambdas, and instances with a __call__ method are callable, and provides numerous code examples illustrating true and false cases for various object types.
The article explains Python's built‑in divmod function, which returns a tuple of the integer quotient and remainder for two numbers, shows its syntax, behavior with different numeric types, and provides example code illustrating typical usage.
This article explains Python's built‑in next() function, its syntax with an optional default argument, demonstrates how it retrieves successive items from an iterator, and highlights differences in Python 3 file handling and default‑value behavior.
