All objects have anidentity, though even this can be a little slippery in some cases. Theidfunction returns a number corresponding to an object's identity (in cpython, it returns the memory address of the object, but other interpreters may return something else). If two objects (that exist...
One of the complications of hash tables is how to implement the hash function in a reliable way. Immutable data types in Python come with a built-in method for computing their hash value, which is called__hash__. Let's see for example what happens with strings or tuples: >>> a = '...
Write a Python program to implement a function that returns the inverse of a dictionary with unique hashable values. Write a Python program to use the items() method to construct an inverted dictionary from a unique-valued dictionary. Go to: Python Data Types Dictionsry Exercises Home ↩ Pyth...
Dataclasses Model Config Field Types - adding or changing a particular data type Function validation decorator Generic Models Other Model behaviour - construct(), pickling, private attributes, ORM mode Settings Management Plugins and integration with other tools - mypy, FastAPI, python-devtools, Hypothe...