Coding formatters

As we can now see, there are several rules and conventions to follow when writing code in Go or Python, and the list is long, which does not help when you are a beginner. But thanks to the community, there are tools that help to fix the code format for you. These tools can automatically fix your code or suggest modifications. Let’s have a look at a few code formatters for Python and Go.

Python Black

Black is a very popular code formatter for Python. It is PEP-8 compliant, so it checks all PEP-8 recommendations. The default run will reformat the code to be PEP-8 compliant, but you can run it as a preview to identify the code change suggestions.

With Black, it is possible to fix Python code automatically. Here is an example of wrong code written for Python:

if long_variable_name is not None and \
 long_variable_name.field > 0 or long_variable_name.is_debug:
 z = 'hello '+'world'
else:
 world = 'world'
 a = 'hello...