💬 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
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
Summary: To print bold text in Python, you can use: The simple_color package, The ‘\033[1m’ ANSI escape-sequence, The termcolor module, The coloroma package, 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[1m” + s + “\033[0m”). … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to count the number of vowels in a string. To make it more fun, we have the following running scenario: In Canada, we have a province called Saskatchewan. This province has a large amount of flat land. In this article, we reference their local … Read more
Summary: Use the string literal syntax f”{number:.nf}” to suppress the scientific notation of a number to its floating-point representation. Problem Formulation: How will you suppress a number represented in scientific notation by default to a floating-point value? Note: Generally, Python represents huge floating-point numbers or very small floating-point numbers in their scientific form. Scientific notation … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to split a string into a List of Letters in Python. To make it more fun, we have the following running scenario: The Finxter Academy would like a text version of their logo by splitting the string into a List of Elements and applying … Read more
A Short Guide to Base64’s History and Purpose Base64 is a system of binary-to-text transcoding schemas, which enable the bidirectional transformation of various binary and non-binary content to plain text and back. Compared to binary content, storage and transfer of textual content over the network is significantly simplified and opens many possibilities for flexible data … Read more