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:
Dictionaries in Python
1. Dictionaries are unordered*, changeable (mutable), and indexed collections of data. (*In Python 3.6x dictionaries have become ordered by default.
Tuples
1. Tuples are ordered and unchangeable (immutable) collections of data. They can be thought of as immutable lists. They are written in round brackets:
Functions
1. A function is a block of code that performs a specific task when the function is called (invoked). You can use functions to make your code reusable, better organized, and more readable. Functions can have parameters and return values.