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 …

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

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.

2012年5月21日 · Note that the % method is not depreciated in Python 3.6. It will continue to be supported in lieu of its similarity to c, c++, etc. str.format() and f-strings are preferred but not …

2011年4月15日 · 238 The string format method lets you do some fun stuff with nested keyword arguments. The simplest case:

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

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

The OP wants to keep curly-braces while you are removing them in your linked answer via .format () and your dictionary unpacking method. If you want to preserve {} in Python 3.6+ and you want …

How do I pad a numeric string with zeroes to the left, so that the string has a specific length?

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 …