Python dictionaries consists of one or more keys —an object like a string or an integer. Each key is associated with a value, which can be any Python object. You use a key to obtain its related ...

Everything in Python is an object, or so the saying goes. If you want to create your own custom objects, with their own properties and methods, you use Python’s class object to make that happen.

I have a string of 1s and 0s that represents a binary number (e.g. '00101101'). How would I convert that to an actual num? If I use int(), Python assumes decimal and creates a number that's much ...

One solution is to use a Union type, as I showed earlier, allowing an integer or None to be returned. But that doesn't quite express what the goal is here. What I would like to do is say that it might ...