This article is about the zip() function in Python 3. We’ll cover the fundamentals then walk through a few practical examples. Overview zip() is a built-in function of Python that works like a zipper. It can…

In this article, you will learn about the syntax and walk through 3 examples of using the reduce() function in Python. Overview To use the reduce() function, you need to import it from the functools module…

In this article, we will cover the fundamental of the filter() function in Python and explore 4 practical examples of using it. Overview Syntax: Parameters: function: The function that tests whether each item of an iterable…

In this article, we’ll go over a few examples of using the map() function in Python 3. Overview Syntax: function: The function to execute for each item iterables: one or many iterables (lists, tuples, etc). The…

A lambda function in Python is a small anonymous function that is defined by using the lambda keyword, like this: A lambda function can take unlimited number of arguments but it is syntactically restricted to a…

To comment out a line of code in Python, you can add a # before that line. So how to comment out a block of code in Python? If you have worked with some other programming…

The numpy.linspace() function returns a ndarray with equally spaced intervals between the start and stop values. That ndarray is a vector space, also known as a linear space. That’s why the function is named linspace. This…

This article shows you how to get all links from a webpage using Python 3, the Requests module, and the Beautiful Soup 4 module. For the demonstration purpose, I will scrape and extract the main page…

Python provides a lot of methods that help programmers easily and quickly modify and manipulate strings. Learning all of these methods by heart is a hard job that takes much time and effort, and you may…

This short article is about a common error that you may encounter when working with Python on macOS. Problem When running Python code that imports some modules (request, numpy, pandas, etc), I fall into the following…

To check if a letter is lower case or not in Python, we can use the islower() method. Combine it with a for loop, we can easily count the number of lower case letters in a…

The following Python program counts the number of capital letters in a string. The code: Output: That’s it. Happy coding with Python. Extract all links from a webpage using Python and Beautiful Soup 4 List, Dict,…