💬 Question: Which method finds the list of all occurrences of the pattern in the given string? Problem Formulation Problem Formulation: Given a longer string and a shorter string. How to find all occurrences of the shorter string in the longer one? Consider the following example: Longer string: ‘Finxters learn Python with Finxter’ Shorter string … Read more
Problem Formulation and Solution Overview In this article, you’ll learn various ways to subtract days from a date in Python. This article is based on Rivers Clothing and has examples on how to set and subtract a date x number of days, AND, how to subtract one date from another date. 💬 Question: How would … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to remove a comma/commas from a string in Python. To make it more fun, we have the following running scenario: We have a famous proverb, written by Desiderius Erasmus, that contains a comma or commas that need to be removed as it was not … Read more
Problem Formulation Say, you want to find a regex pattern in a given string. You know the pattern exists in the string. You use the re.match(pattern, string) function to find the match object where the pattern matches in the string. 💬 Problem: The Python regular expression pattern is not found in the string. The pattern … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to print the contents of a List without surrounding brackets in Python. To make it more fun, we have the following running scenario: You are a student and need to memorize the first 10 elements in the Periodic Table. This data is currently saved … Read more
Today, I stumbled upon this beautiful regex problem: Given are a multi-line string and a regex pattern. How to find all lines that do NOT contain the regex pattern? I’ll give you a short answer and a long answer. The short answer: Use the pattern ‘((?!regex).)*’ to match all lines that do not contain regex … Read more
💬 Question: Say you have an expression you want to execute using the exec() function. How to store the result of the expression in a Python variable my_result? Before I show you the solution, let’s quickly recap the exec() function: Recap Python exec() Python’s exec() function executes the Python code you pass as a string … Read more
💬 Question: Say you have an expression you want to execute using the eval() function. How to store the result of the expression in a Python variable my_result? Before I show you the solution, let’s quickly recap the eval() function: Recap Python eval() Python eval(s) parses the string argument s into a Python expression, runs … Read more
Summary: To print colored text in Python, you can use: The simple_color package, The ‘\033[1m’ ANSI escape-sequence, The termcolor module, The coloroma package, The colored library, The prompt_toolkit package. A simple, no-library way to print bolded text in Python is to enclose a given string s in the special escape sequence like so: print(“\033[38;5;4m”). We’ll … Read more
💬 Question: How to redirect the standard output in Python and store it as a string in a variable? This article will guide you through seven easy steps to solve this problem. As an overview, here’s the code in eight lines that stores the standard output in a variable my_result: from io import StringIO import … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to extract numbers from a string in Python. To make it more fun, we have the following running scenario: This article references an Albanian proverb written by Driton Selmani in 2012. We will leave the interpretation up to you. 💬 Question: How would we … Read more
You can change your text to bold, italic, and underlined in Python. Not only can you play around with the style of your code but also change its color with the help of specific packages and modules in Python. Interesting! Isn’t it? There are different ways of doing this. By the end of this tutorial, … Read more