![]() ![]() But it’s valuable for beginners to establish good code formatting habits. But programmers sometimes choose the latter, because they don’t want to worry about details that have no impact on whether the program works correctly.īeginners often ignore code formatting because they’re focused on programming concepts and language syntax. Programmers who prefer the former approach might like the visual separation that the spaces add and the uniformity of the quote characters. For example, we can write a list with a single space after each comma and use one kind of quote character consistently: spam = īut even if we wrote the list with a varying number of spaces and quote styles, we’d still have syntactically valid Python code: spam= We can write code in many ways that result in identical behavior. How to Lose Friends and Alienate Co-Workers ![]() Then you’ll learn how to install, use, and customize the tool. You’ll first learn about the rationalization for the code style choices Black makes. Black is useful, because it’s tedious to manually format your code in a text editor or IDE. This chapter introduces you to Black, a code formatting tool that can automatically format your source code into a consistent, readable style without changing your program’s behavior. Python’s readability is a critical reason for the language’s popularity. Formatting code isn’t a mere cosmetic issue. If your code is difficult for humans (whether it’s you or a co-worker) to understand, it will be hard to fix bugs or add new features. Although unimportant to the computer parsing your program, code formatting is vital for readability, which is necessary for maintaining your code. Code formatting is applying a set of rules to source code to give it a certain appearance. ![]()
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