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Python Examples. Learn by examples! This tutorial supplements all explanations with clarifying examples. See All Python Examples
This section contains a Python reference documentation. Python Reference Built-in Functions String Methods List Methods Dictionary Methods Tuple Methods Set Methods File Methods Keywords Exceptions Glossary
Python Quickstart. Python is an interpreted programming language, this means that as a developer you write Python (.py) files in a text editor and then put those files into the python interpreter to be executed. The way to run a python file is like this on the command line:
RegEx Functions. The re module offers a set of functions that allows us to search a string for a match: Function. Description. findall. Returns a list containing all matches. search. Returns a Match object if there is a match anywhere in the string. split.
Tuples are used to store multiple items in a single variable. Tuple is one of 4 built-in data types in Python used to store collections of data, the other 3 are List, Set, and Dictionary, all with different qualities and usage.
To loop through a set of code a specified number of times, we can use the range () function, The range () function returns a sequence of numbers, starting from 0 by default, and increments by 1 (by default), and ends at a specified number.
Lists are one of 4 built-in data types in Python used to store collections of data, the other 3 are Tuple, Set, and Dictionary, all with different qualities and usage. Lists are created using square brackets:
MongoDB. MongoDB stores data in JSON-like documents, which makes the database very flexible and scalable. To be able to experiment with the code examples in this tutorial, you will need access to a MongoDB database. You can download a free MongoDB database at https://www.mongodb.com.
Python Classes/Objects. Python is an object oriented programming language. Almost everything in Python is an object, with its properties and methods. A Class is like an object constructor, or a "blueprint" for creating objects.
Inheritance allows us to define a class that inherits all the methods and properties from another class. Parent class is the class being inherited from, also called base class. Child class is the class that inherits from another class, also called derived class.