Articles
18 Nov 2021
Kamila Ostrowska

Is it Difficult to Learn Python?

Yes! No! Maybe? There are as many answers as there are people. Don't let anyone discourage you from achieving your goal. Learn Python and develop the skills that are in high demand right now. What would you do if I told you learning Python IS difficult? Would you try anyway? Or would you give up immediately? Learning new skills is demanding in general. You need time, discipline, and a clearly stated goal.
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16 Nov 2021
Xavier Rigoulet

How to Write Custom Sort Functions in Python

In computer science, a sorting algorithm puts elements of a list into a particular order. They are important because they often reduce the complexity of a problem. Let’s discover how to use custom sort functions to implement custom orders and comparisons in Python. In my previous article on working with streams in Python, I briefly introduced sorting methods with list.sort() and sorted(). Both list.sort() and sorted() have a key parameter that specifies a function to be called on each list element before making comparisons.
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11 Nov 2021
Soner Yıldırım

Is Python Popular?

Have you been hearing about Python? Do you see its popularity growing, with more and more jobs requiring knowledge of this programming language? Are you wondering if you should start learning Python yourself? I have some convincing arguments that will help you make this decision. It takes time and effort to acquire a new skill. Since time is the most valuable resource we have, we should think thoroughly before investing our time in new learning adventures.
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9 Nov 2021
Xavier Rigoulet

Map, Filter, Reduce – Working on Streams in Python

Do you know how to work with Python streams like Java streams? A stream is a sequence of elements. With map(), filter(), and reduce() – the three cornerstone functions of functional programming – you can operate over a sequence of elements. In this article, we will learn how to work with streams in Python  like we work with them in Java. But first, let’s say a word about functional programming.
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4 Nov 2021
Xavier Rigoulet

How to Write to File in Python

With Python, you can modify and write directly to a file programmatically, saving you the hassle of doing it manually. In this article, you will learn how to write to a file in Python. Before diving into the nitty-gritty of how to write to file in Python, I want to mention that I use Python 3.8.5 and Windows 10. However, your results should be the same on any operating system.
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2 Nov 2021
Xavier Rigoulet

Things That Can Help You Write Better Python Code

Do you wonder how to start learning programming with Python? Do you wonder how you can improve your Python code? Do you feel like you need to write better Python code but are unsure of what to do next? Do you feel like you’ve reached a plateau and struggle to get to the next level? In this article, I will go through a few things that can help you write better Python code.
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28 Oct 2021
Xavier Rigoulet

How to Write a Custom Module in Python

Do you wonder how you can write your own Python custom module, similar to famous Python libraries such as NumPy or Pandas? In my previous article for LearnPython.com, we learned about custom classes in Python. With Kateryna’s article on Python functions, you now have the required knowledge to implement your own custom module in Python. If you are still wondering why you should learn Python in 2021, check out Rebecca’s excellent article on the topic.
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21 Oct 2021
Luke Hande

How to Count Money Exactly in Python

Using floats to do exact calculations in Python can be dangerous. Here, we explain why and show you an alternative solution. When you try to find out how much 2.32 x 3 is, Python tells you it's 6.959999999999999. For some calculations, that’s fine. But if you are calculating a transaction involving money, that’s not what you want to see. Sure, you could round it off, but that's a little hacky.
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14 Oct 2021
Soner Yıldırım

Why Isn't Everyone Learning to Code for Career Success?

Thousands of job openings, high salaries, almost guaranteed employment – yet there is still a shortage of programming specialists in the market. Why is this happening? Why, despite the obvious advantages and chances of success, people still don't learn to code? I will try to answer this question in this article. When I was in college, I took one programming class which was Introduction to C++. I had to take it twice because I failed the first time.
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7 Oct 2021
Xavier Rigoulet

Simple Steps for Creating Your Own Class in Python

Do you know how to build your own class in Python? Writing custom classes and custom objects in Python makes your code clearer, more readable, and easier to maintain. Before we start, if you still need some good reasons to learn Python, Rebecca can help you here. The concept of object-oriented programming emerged in the '60s, but its popularity did not start growing until the '90s. Today, object-oriented programming is everywhere and is an essential programming paradigm to understand.
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