Python tutorials

Quiz: Python’s Built-in Functions: A Complete Exploration

Interactive Quiz ⋅ 24 QuestionsBy Leodanis Pozo Ramos Share Or copy the link: Copied! Happy Pythoning! Test your understanding of Python’s built-in functions and how to use them in your code. Take this quiz after reading our Python’s Built-in Functions: A Complete Exploration tutorial. The quiz contains 24 questions and there is no time limit. You’ll get 1 point for each correct answer. At the end of the quiz, you’ll    

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Quiz: Choosing the Best Font for Programming

Interactive Quiz ⋅ 12 QuestionsBy Philipp Acsany Share Or copy the link: Copied! Happy Pythoning! In this quiz, you’ll test your understanding of how to choose the best font for your daily programming. You’ll get questions about the technicalities and features to consider when choosing a programming font and refresh your knowledge about how to spot a high-quality coding font. The quiz contains 12 questions and there is no time limit.    

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How Do You Choose Python Function Names?

One of the hardest decisions in programming is choosing names. Programmers often use this phrase to highight the challenges of selecting Python function names. It may be an exaggeration, but there’s still a lot of truth in it. There are some hard rules you can’t break when naming Python functions and other objects. There are also other conventions and best practices that don’t raise errors when you break them, but they’re still important when writing Pythonic code. Choosing the ideal […]

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Quiz: Split Your Dataset With scikit-learn’s train_test_split()

Interactive Quiz ⋅ 7 QuestionsBy Martin Breuss Share Or copy the link: Copied! Happy Pythoning! In this quiz, you’ll test your understanding of how to use train_test_split() from the sklearn library. By working through this quiz, you’ll revisit why you need to split your dataset in supervised machine learning, which subsets of the dataset you need for an unbiased evaluation of your model, how to use train_test_split() to split your data, and how to combine    

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Customize VS Code Settings

Visual Studio Code, is an open-source code editor available on all platforms. It’s also a great platform for Python development. The default settings in VS Code present a somewhat cluttered environment. This Code Conversation with instructor Philipp Acsany is about learning how to customize the settings within the interface of VS Code. Having a clean digital workspace is an important part of your work life. Removing distractions and making code more readable can increase productivity and even help you spot […]

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Python News Roundup: July 2024

Summer isn’t all holidays and lazy days at the beach. Over the last month, two important players in the data science ecosystem released new major versions. NumPy published version 2.0, which comes with several improvements but also some breaking changes. At the same time, Polars reached its version 1.0 milestone and is now considered production-ready. PyCon US was hosted in Pittsburgh, Pennsylvania in May. The conference is an important meeting spot for the community and sparked some new ideas and […]

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Quiz: Python’s Magic Methods: Leverage Their Power in Your Classes

Interactive Quiz ⋅ 19 QuestionsBy Martin Breuss Share Or copy the link: Copied! Happy Pythoning! In this quiz, you’ll test your understanding of Python’s Magic Methods. By working through this quiz, you’ll revisit the concept of magic methods in Python, how they work, and how you can use them to customize the behavior of your classes. The quiz contains 19 questions and there is no time limit. You’ll get 1    

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Working With JSON Data in Python

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Working With JSON Data in Python Since its introduction, JSON has rapidly emerged as the predominant standard for the exchange of information. Whether you want to transfer data with an API or store information in a document database, it’s likely you’ll encounter JSON. Fortunately, Python provides robust tools to facilitate this process and help […]

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Defining Python Constants for Code Maintainability

In programming, the term constant refers to names representing values that don’t change during a program’s execution. Constants are a fundamental concept in programming, and Python developers use them in many cases. However, Python doesn’t have a dedicated syntax for defining constants. In practice, Python constants are just variables that never change. To prevent programmers from reassigning a name that’s supposed to hold a constant, the Python community has adopted a naming convention: use uppercase letters. For every Pythonista, it’s […]

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Python’s Built-in Functions: A Complete Exploration

Python has many built-in functions that you can use directly without importing anything. These functions cover a wide variety of common programming tasks that include performing math operations, working with built-in data types, processing iterables of data, handling input and output in your programs, working with scopes, and more. To get the most out of this tutorial, you’ll need to be familiar with Python programming, including topics like working with built-in data types, functions, classes, decorators, scopes, and the import […]

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