Articles
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 Aren't We All Learning How to Code, if Programming Is Such a Good Career?

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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30 Sep 2021
Yiğit Aras Tunalı

How to Filter Rows and Select Columns in a Python Data Frame With Pandas

For a data scientist, pandas is a must-know library for modifying data. It is essential and expected in many other jobs that deal with data using Python. Let’s get you up to speed with all the powerful tools pandas offers! Python is one of the most widely used programming languages today. The ability to work with data is highly sought after, and jobs as data scientists, data analysts, and machine learning engineers are very popular.
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23 Sep 2021
Soner Yıldırım

Do You Need a Master’s Degree to Become a Data Scientist?

Data science is a hot topic. The Internet is full of heated discussions about how to become a data scientist and whether you need an academic degree to do so. In this article, I will try to dispel any doubts on this subject. Read on! The potential of creating business value from data has attracted the attention of many. Organizations in a wide range of industries have started to invest in data science to take advantage of this potential.
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16 Sep 2021
Karolina Niewiarowska

Did You Lose Your Job During the Pandemic? Start Learning Python Programming!

Lots of people lost their jobs during the COVID-19 pandemic. Others have taken some time to learn a new skill. Should learning Python programming be your next step? The world still can't shake off the COVID-19 pandemic and the economy has not recovered from the crisis. People lost their jobs, sometimes overnight. Are you one of them? Don't worry – better days will come. Learning Python may be an opportunity to improve your situation!
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9 Sep 2021
Xavier Rigoulet

How to Work With the Calendar and Arrow Python Modules

During your journey as a developer or data scientist, you will have to work with dates and times. Fortunately, Python has several convenient libraries that make it easier. In this article, we’ll quickly review the datetime module, then examine the calendar and Arrow modules in Python.  As a Python-using programmer, developer, data analyst, or data scientist, you’ll probably have to deal with date and time data quite often. Fortunately, Python’s datetime, calendar, and arrow libraries are available to streamline your tasks.
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