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In this tutorial, you'll learn how to use global variables in Python functions using the global keyword or the built-in globals() function. You'll also learn a few strategies to avoid relying on global variables because they can lead to code that's . ...

In this tutorial, you'll learn how to take your testing to the next level with pytest. You'll cover intermediate and advanced pytest features such as fixtures, marks, parameters, and plugins. With pytest, you can make your test suites fast, effective ...

In this tutorial, you'll learn what kinds of mistakes you might make when rounding numbers and how you can best manage or avoid them. It's a great place to start for the early-intermediate Python developer interested in using Python for finance, data ...

In this step-by-step tutorial, you'll get started with linear regression in Python. Linear regression is one of the fundamental statistical and machine learning techniques, and Python is a popular choice for machine learning.

Python list comprehensions help you to create lists while performing sophisticated filtering, mapping, and conditional logic on their members. In this tutorial, you'll learn when to use a list comprehension in Python and how to create them ...

In this tutorial, you'll learn the basics of GUI programming with Tkinter, the de facto Python GUI framework. Master GUI programming concepts such as widgets, geometry managers, and event handlers. Then, put it all together by building two ...

In this in-depth tutorial, you'll learn how to build a socket server and client with Python. By the end of this tutorial, you'll understand how to use the main functions and methods in Python's socket module to write your own networked client-server ...

In this tutorial, you'll explore the differences between an expression and a statement in Python. You'll learn how expressions evaluate to values, while statements can cause side effects. You'll also explore the gray areas between them, which will .. ...

In this video course, you'll learn about two popular coding styles in Python: look before you leap (LBYL) and easier to ask forgiveness than permission (EAFP). You can use these styles to deal with errors & exceptional situations in your code. You'll ...

In this tutorial, you'll learn how to take user input from the keyboard with the input() function built into Python and display output to the console with the built-in function print(). You'll also use readline to improve the user experience when ...