[toc] The groupby() function saves you a ton of time and headache when analyzing data. It is fast and eases handling massive data. However, you may fail to maximize its potential if you don’t know how to use it. That is why this tutorial explains DataFrame grouping using relatable challenges, code snippets, and solutions. 💡 … Read more
How to change the size of your matplotlib subplots? The method .subplots() can easily generate multiple subplots within the same plotting figure. But as you may have already noticed, all the subplots have the exact same size and moreover, their size will be adjusted automatically, depending on how many of them you want to display … Read more
Introduction to Streamlit Bar Charts Do you want a quick and easy to create and share your data visualizations? If so, then Streamlit can be a great option! This article is an introduction to Streamlit via its Bar Charts. This tutorial is going to help you learn Streamlit by walking you through incremental steps. It … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to read in a Dictionary file and format the output in Python. To make it more fun, we have the following running scenario: Jeff Noble, a Marine Archeologist, has put together a team to search for shipwrecks each month. This month, they will search … Read more
Problem formulation Sometimes we need to generate massive amounts of data. For example, to perform bootstrapping or jackknifing of our actual data. To get lots of parameterized dummy data, learn how to use new libraries or adjust the model’s hyperparameters. Or benchmark different solutions or debug and optimize our code. Generating this data is expensive, … Read more
[toc] Problem Statement: How to return multiple values from a given function in Python? Functions are used to break the program into smaller chunks. As the program grows larger, functions make it more organized. In Python, functions are generally used for performing a specific task that involves returning a particular value. But in some cases, … Read more
You have a tuple of integers—but you want a single integer. What can you do? Problem Formulation and Solution Overview Given a tuple of values. Goal: Convert the tuple to a single integer value. If you simply pass a tuple t into the int(t) built-in function, Python will raise a TypeError: int() argument must be … Read more
Let’s start this article with a quick question to understand your understanding of strings. 💬 Question: Can the string objects be modified in Python? What do you think? Well, the fact is String objects are immutable. They cannot be modified. Consider the below example : Output: Now you might say, replacement operations and insertion operations … Read more
[toc] Problem Statement: How to get a key by its value in a dictionary in Python Example: We have a clear idea about the problem now. So without further delay, let us dive into the solutions to our question. 🎬Video Walkthrough Solution 1: Using dict.items() Approach: One way to solve our problem and extract the … Read more
I have spent my morning hours on an important mission. What is the cleanest, fastest, and most concise answer to the following question: How do you find the key with the minimum value in a Python dictionary? Most answers on the web say you need to use a library but this is not true! To … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to remove the newline character from list elements in Python. To make it more fun, we have the following running scenario: Watts Security has contacted you for assistance. They have been given a flat file containing user account breaches. Upon review, they notice each … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to create a list containing the alphabet in Python. To make it more fun, we have the following running scenario: Ms. Smith, a Grade 2 teacher at Oakwood Public School, wants to strengthen her student’s Alphabet skills and needs your help. She would like … Read more