This occasionally comes up during coding interviews and is actually quite a decent way to test someone’s aptitude of moving back and forth on a… Read More »How to find the longest Palindrome in a String using Python
Let’s say that you have a binary tree and we needed to know it’s maximum depth. Binary tree input data [3,9,20,null,null,15,7] could be visualised as follows:… Read More »How to get the Maximum Depth of a Binary Tree in Python
Fizz buzz is a common programming interview question. The problem statement usually reads something like this: Write a short program that prints each number from… Read More »What is Fizz Buzz?
While there are libraries available for all programming languages that offer abilities to sort list, arrays and collections, it is important to know how this… Read More »How to write a Quicksort Algorithm in Python
Python comes with the power of slicing. Let’s try it with a String: Now let’s try the same with a List: As we can see… Read More »How to Reverse a String or List using Python
Python exposes a socket library that allows us to perform networking tasks such as getting the IP Address as well as getting the Hostname of… Read More »How to get the IP address in Python
Reversing a Binary Tree is a common programming interview question. By learning how to Reverse a Binary Tree in Python, you are working towards fundamental… Read More »How to Reverse a Binary Tree in Python
First check if the file exists before deleting it: Sometimes you may want to delete an entire folder as well:
If you have multiple versions of Python installed on a system, such as both Python 2.7 and Python 3.6+. Then pip will often refer to… Read More »When to use Pip3 instead of Pip in Python
Learn how to package a Python app in this tutorial. For the most part, once you’ve written your Python code, you simply deploy it to… Read More »How to Package a Python App using Nuitka
Python is a very powerful language, there are so many libraries available for it. However, many developers will complain about its speed by comparison to… Read More »When your Python code is much faster with PyPy
Python comes with a fully equipped package manager called PIP – which stands for the Python Package Manager. PIP gives your python applications access to… Read More »Introduction to PIP – Python Package Manager
Python is a fantastic language that continues to help so many businesses and individuals. It offers readable syntax to get started, yet extensive amounts of… Read More »How to Setup and Use the Python Virtual Environment
Now that you have the code; let’s explain: Import the multiprocessing library Define the function that will run each time a process is executed Keep… Read More »Multiprocessing in Python3
So before we begin, let me just tell you that this is a pretty useless thing to do.. But I was playing around with it… Read More »Counting in Python using a list
If you ever get the following error when trying to install a Pip module under Python: Then an easy way to get around it is… Read More »[Solved] Pip: There was a problem confirming the ssl certificate
So you want to learn to program in Python and you don’t have a lot of time? That’s okay! Once you grasp some of the… Read More »How to Learn Python Programming Quickly
tldr; Pandas Dataframes are simply a table with some rows (McKinney, 2015) and many additional features built right in to make data scientists lives much easier.… Read More »NoSQL Pandas Dataframes
This is actually a very easy error to fix, eventhough off the bat it seems a lot more involved. You probably have syntax something like… Read More »python "AttributeError: ZipFile instance has no attribute ‘__exit__"
Trying to use MySQL with Python and getting an ImportError? Traceback (most recent call last): File “some_file.py”, line 4, in import MySQLdb as mdb ImportError:… Read More »ImportError: No module named MySQLdb (Python)