The most Pythonic way to print a dictionary except for one or multiple keys is to filter it using dictionary comprehension and pass the filtered dictionary into the print() function. There are multiple ways to accomplish this and I’ll show you the best ones in this tutorial. Let’s get started! 🚀 👉 Recommended Tutorial: How … Read more
Problem Formulation and Solution Overview This article will show you how to subtract minutes from a datetime in Python. To make it more interesting, we have the following running scenario: ToyMax has 200 employees. All employees must swipe in and out daily using a time card reader. Sometimes the employee swipe-in times do not appear … Read more
💬 Question: Given a Boolean value True or False. How to convert it to a string “True” or “False” in Python? Note that this tutorial doesn’t concern “concatenating a Boolean to a string”. If you want to do this, check out our in-depth article on the Finxter blog. Simple Bool to String Conversion To convert … Read more
Easy Solution Use the addition + operator and the built-in str() function to concatenate a boolean to a string in Python. For example, the expression ‘Be ‘ + str(True) yields ‘Be True’. The built-in str(boolean) function call converts the boolean to a string. The string concatenation + operator creates a new string by appending the … Read more
Problem Formulation Consider the following minimal example where a TypeError: ‘bool’ object is not subscriptable occurs: This yields the following output: Solution Overview Python raises the TypeError: ‘bool’ object is not subscriptable if you use indexing or slicing with the square bracket notation on a Boolean variable. However, the Boolean type is not indexable and … Read more
Python provides three ways to stop a for loop: The for loop ends naturally when all elements have been iterated over. After that, Python proceeds with the first statement after the loop construct. The keyword break terminates a loop immediately. The program proceeds with the first statement after the loop construct. The keyword continue terminates … Read more
Basic Solution To create a set of n elements, pass a list or another iterable of n initial elements into the set() function. For example, set(range(n)) creates the set of n consecutive integers {1, 2, …, n-1}. You can then add and remove the elements using the normal set methods such as add() or pop(). … Read more
💬 Challenge: Given a Pandas DataFrame. How to find the longest string in a given DataFrame column? We’re going to discuss different variants of this problem next. Let’s get started with the easiest next! Method 1: Find Length of Longest String in DataFrame Column To find the length of the longest string in a DataFrame … Read more
Problem: Given a dictionary and a filter condition. How to filter a dictionary by … … key so that only those (key, value) pairs in the dictionary remain where the key satisfies the condition? … value so that only those (key, value) pairs remain where the value satisfies the condition? In this tutorial, you’ll learn … Read more
Problem Formulation and Solution Overview This article will show you how to get a random entry from a Dictionary in Python. To make it more interesting, we have the following running scenario: 👨🏫 The Plot: Mr. Sinclair, an 8th great Science Teacher, is giving his students a quiz on the first 25 Periodic Table elements. … Read more
Problem Formulation and Solution Overview This article will show you how to add days to a Pandas DataFrame Date column. To make it more interesting, we have the following running scenario: CheckersTV is a new channel offering streaming news and games. They have a large subscriber base, each paying a monthly fee of $12.99. For … Read more
Problem Formulation and Solution Overview This article will show you how to find the most common element in a Pandas Column. To make it more interesting, we have the following running scenario: You have been provided with a downloadable CSV file containing crime statistics for the San Diego area, including their respective NCIC Crime Codes. … Read more