1. A class is an idea (more or less abstract) which can be used to create a number of incarnations – such an incarnation is called an object.
Strings in Python
1. Python strings are immutable sequences and can be indexed, sliced, and iterated like any other sequence, as well as being subject to the in and not in operators. There are two kinds of strings in Python:
Packages in Python
In the world of modules, a package plays a similar role to a folder/directory in the world of files.
Modules in Python
So what is a module? The Python Tutorial defines it as a file containing Python definitions and statements, which can be later imported and used when necessary.
Exceptions in Python
1. In Python, there is a distinction between two kinds of errors: