Both make it easier to not get confused about where print() starts and ends and where the formatting takes place. In both f-strings and str.format(), use !r after the field to get the repr() output, just like %r …

Use Python 3 string formatting. This is still available in earlier versions (from 2.6), but is the 'new' way of doing it in Py 3. Note you can either use positional (ordinal) arguments, or named arguments (for the …

To answer your second question, string formatting happens at the same time as any other operation - when the string formatting expression is evaluated. And Python, not being a lazy language, …

Sep 5, 2015 · The advantage of using a regular string template and str.format() is that you can swap out the template, the advantage of f-strings is that makes for very readable and compact string …

Starting with Python 3.6, formatting in Python can be done using formatted string literals or f-strings:

Sep 4, 2017 · What you're seeing on lines 8-9 are called formatted string literals or f-strings for short. They were added to Python in version 3.6, and detailed in PEP498. They basically allow you to …

Note that .format works independently of print to format a string. I just used print to display the strings. Brief explanation: 10s format a string with 10 spaces, left justified by default 3d format an integer …

Jun 22, 2017 · 206 I like the pprint module (Pretty Print) included in Python. It can be used to either print the object, or format a nice string version of it.

This will help to keep a fixed length when you want to print several elements at one print statement. 25s formats a string with 25 spaces, left justified by default.

f-strings (python 3) You can avoid having to double the curly brackets by using f-strings ONLY for the parts of the string where you want the f-magic to apply, and use regular (dumb) strings for everything …