Python Anagrams Challenge

Checking whether two strings are anagrams of each other is a fairly common coding challenge or kata. At a local meetup recently, we looked at an extended version of the challenge: not...

Introduction to Web Scraping with Python and Scrapy

Scrapy is a powerful Python package that makes it easy to crawl the web and mine data. There are many reasons why people might want to do this (or hire you to...

Morse Code with Python

In this article we will learn how to use Python programming to convert messages from English to Morse Code and vice versa. We will also learn how to play the Morse Code...

Ransom Note HackerRank Challenge in Python

Image courtesy of Sheila Sund from Salem, United States, CC BY 2.0, via Wikimedia Commons. This Python programming challenge is adapted from a challenge on HackerRank called Ransom Note, which is part...

Python Data Science Select from Pandas DataFrame

Practical Data Science with Python – Selecting Data from a DataFrame

The task: Emulate SQL SELECT with a pandas dataframe E.g. SELECT * FROM table WHERE column_name = some_value; The code in this lesson was written in a Juypter Notebook. This means it...

Python Algorithm Challenge - Counting Pairs

Python Programming Challenge – Counting Pairs

Here’s a fun algorithmic challenge for you. Given a list of integers, write a function to find the total number of complete pairs contained in the list. For example: for the input...

Python programming integers are immutable

Python Programming – List Mutation

A Surprising Feature of Python Lists What do you expect the output of the following Python code to be? def mutate_or_not(a_list): a_list[0] = "I've changed" my_list = [1, 2, 3] mutate_or_not(my_list) print(my_list)...

Python Programming Two Sum Interview Problem

This article is about a classic challenge that is often given in Python coding interviews. There are several different approaches you could take, but the aim is to come up with a...

Introduction to Web Scraping with Python

One of the awesome things about Python is how relatively simple it is to do pretty complex and impressive tasks. A great example of this is web scraping. This is an article...

Python Dictionaries

Some Python developers would say that there are two fundamental data structures which form the basis of the language: lists and dictionaries. Whether or not that is true, they are both certainly...

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Category: Python Dictionaries