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 …

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

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

253 It is a string formatting syntax (which it borrows from C). Please see "PyFormat": Python supports formatting values into strings. Although this can include very complicated expressions, the most …

Aug 3, 2010 · This method of string formatting is the new standard in Python 3.0, and should be preferred to the % formatting described in String Formatting Operations in new code.

91 As Python 3.0 and 3.1 are EOL'ed and no one uses them, you can and should use str.format_map(mapping) (Python 3.2+): Similar to str.format(**mapping), except that mapping is …

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 next …

Use f-strings if you just need to format something on the spot to print or create a string for other reasons, str.format() to store the template string for re-use and then interpolate values.

str(number).rjust(string_width, fill_char) This way, the original string is returned unchanged if its length is greater than string_width. Example:

Apr 15, 2011 · 238 The string format method lets you do some fun stuff with nested keyword arguments. The simplest case: