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() …

Use 'classic' string substitutions (ala C's printf). Note the different meanings here of % as the string-format specifier, and the % to apply the list (actually a tuple) to the formatting string.

For reference: Python 3 documentation for the newer format() formatting style and the older % -based formatting style.

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 …

Feb 5, 2015 · How do I print a '%' sign using string formatting? [duplicate] Asked 10 years, 10 months ago Modified 3 years, 11 months ago Viewed 127k times

How do I print an integer with commas as thousands separators? 1234567 1,234,567 It does not need to be locale-specific to decide between periods and commas.

The OP & accepted answer focus on formatting time, but the OP question itself discusses formatting numbers to strings in Python. In many cases, the output requires additional data …

the Python String Format Cookbook: shows examples of the new-style .format() string formatting pyformat.info: compares the old-style % string formatting with the new-style .format() string …

Mar 15, 2011 · Given a float between 0 and 1, how to print it as a percentage? For example, 1/3 should print as 33%.

The format specifier inside the curly braces follows the Python format string syntax. Specifically, in this case, it consists of the following parts: The empty string before the colon means "take the …