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In this tutorial, you'll learn the best way to check whether a Python string contains a substring. You'll also learn about idiomatic ways to inspect the substring further, match substrings with conditions using regular expressions, and search for ...

In this beginner tutorial, you'll learn what exceptions are good for in Python. You'll see how to raise exceptions and how to handle them with try ... except blocks ...

In this tutorial, you'll learn about the main tools for string formatting in Python, as well as their strengths and weaknesses. These tools include f-strings, the .format() method, and the modulo operator.

In this tutorial, you'll learn how to use a Python virtual environment to manage your Python projects. You'll also gain a deep understanding of the structure of virtual environments created with the venv module, as well as the rationale behind using ...

If you use Python's print() function to get information about the flow of your programs, then logging is the natural next step for you. This tutorial will guide you through creating your first logs and show you ways to curate them to grow with your . ...

Learn how to use Python's if __name__=="__main__" idiom to control code execution. Discover its purpose, mechanics, best practices, and when to use or avoid it. This tutorial explores its role in managing script behavior and module imports for clean ...

Python's f-strings provide a readable way to interpolate and format strings. They're readable, concise, and less prone to error than traditional string interpolation and formatting tools, such as the .format() method and the modulo operator (%). F .. ...

Learn how Python Poetry can help you start new projects, maintain existing ones, and master dependency management.

In this tutorial, you'll explore concurrency in Python, including multi-threaded and asynchronous solutions for I/O-bound tasks, and multiprocessing for CPU-bound tasks. By the end of this tutorial, you'll know how to choose the appropriate ...

In this tutorial, you'll learn how to concatenate strings in Python. You'll use different tools and techniques for string concatenation, including the concatenation operators and the .join() method. You'll also explore other tools that can also be .. ...