Before we dive into named groups, let’s quickly recap normal capture groups in Python. If you already know normal “unnamed capturing groups” well, feel free to skip the first section and move right away to the next one about named capture groups in Python. 👇 What Are Python Regex Groups? A normal Python regex group … Read more
Problem Formulation and Solution Overview This article will show you how 6 ways to remove List elements in Python. To make it more interesting, we have the following running scenario: Suppose you have a Christmas List containing everyone to buy a gift for. Once a gift is purchased, remove this person from the List. Once … Read more
Problem Formulation 💬 Question: How do you write a function that returns a real Python error instead of an “error code” such as -1 or None in case something got wrong? For example, you may want to check the function input arguments for having the correct type or length (in the case of iterable arguments) … Read more
Summary: Use “given string”.split() to split the given string by whitespace and store each word as an individual item in a list. Minimal Example: Problem Formulation 💬 Problem: Given a string, How will you split the string into a list of words using whitespace as a separator/delimiter? Let’s understand the problem with the help of a few examples: … Read more
In this article, we’ll continue our story on function types, but this time, we’ll go through several illustrative examples and learn how they work and breathe in practice. This way, by complementing what we already know about function types, we’ll get a broader perspective and better understanding. It’s part of our long-standing tradition to make … Read more
In this article, we’ll cover an important topic on array members and array manipulation techniques. This knowledge will prove extremely useful as we progress with our journey through Solidity and gain experience. It’s part of our long-standing tradition to make this (and other) articles a faithful companion, or a supplement to the official Solidity documentation, … Read more
In this article, while being unable to keep the focus on anything else with all this dangling around, we’ll entertain ourselves with dangling references to storage array elements. It’s part of our long-standing tradition to make this (and other) articles a faithful companion, or a supplement to the official Solidity documentation, starting with this part … Read more
♠️ In this article, we’ll deal the cards and play with array slices and structs. Both of them are very powerful players, and it’s good having them at the table. It’s part of our long-standing tradition to make this (and other) articles a faithful companion or a supplement to the official Solidity documentation for this … Read more
💬 Question: How can I return a Matplotlib axis, plot, or figure object in Python so I can set some defaults and plot a figure quickly based on those defaults? Basic Solution To return a Matplotlib object from a function, follow these steps: 👇 Create a function my_plot(x, y, …) with arguments to customize your … Read more
This quick tutorial will show you how to return a value from a nested function. I assume you have your reasons for doing so. However, a word of warning: ⚡ Attention: The main reason you want to create “nested functions”, i.e., inner and outer functions in Python, is to use them for closures and decorators. … Read more
Problem Formulation and Solution Overview Let’s say, for this article, you have been asked to write Python code that reads a file and displays one (1) character from that file per iteration until all contents have been read in. 💬 Question: How would you write this code? Well, this task can be completed by using … Read more
💡 With this article, we’ll discover a new and fascinating world of bytes and strings, as well as ways to manipulate them, allocate memory arrays, and use array literals. It’s part of our long-standing tradition to make this (and other) articles a faithful companion, or a supplement to the official Solidity documentation, starting with these … Read more