["python","number-formatting"]
How to print a number using commas as thousands separators

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.
Locale-agnostic: use _ as the thousand separator f'{value:_}' # For Python ≥3.6 Note that this will NOT format in the user's current locale and will always use _ as the thousand separator, so for example: 1234567 ⟶ 1_234_567 English style: use , as the thousand separator '{:,}'.format(value) # For Python ≥2.7 f'{value:,}' # For Python ≥3.6 Locale-aware import locale locale.setlocale(locale.LC_ALL, '') # Use '' for auto, or force e.g. to 'en_US.UTF-8' '{:n}'.format(value) # For Python ≥2.7 f'{value:n}' # For Python ≥3.6 Reference Per Format Specification Mini-Language, The ',' option signals the use of a comma for a thousands separator. For a locale aware separator, use the 'n' integer presentation type instead. and: The '_' option signals the use of an underscore for a thousands separator for floating point presentation types and for integer presentation type 'd'. For integer presentation types 'b', 'o', 'x', and 'X', underscores will be inserted every 4 digits.