Formatting Cheat Sheet (string.format):
"{" [field_name] ["!" conversion] [":" format_spec] "}" / "r"|"s" \ / \ arg_name \ | ("." attribute_name | "[" element_index "]")* \ | | | \ | identifier integer | index_string | | (quotes | [identifier not required) | |integer] | | _________________________________________________________/ \________ / \ [[fill]align][sign][#][0][width][,][.precision][type] [default]--> < left + (int) (int) b base 2 [default --> > right - c character for ^ center " " d base 10 numbers] = e exponent (e) E exponent (E) f fixed point F ^^(same)^^ b base 2 c character [default]--> g general (?) o base 8 s string G general 2 d base 10 n number (general 3) x base 16 o base 8 X base 16 s string e, E exponent (lower case) x base 16 f, F, % fixed point (upper case) X base 16 g, G, n (general numbers) (x100, f) % percentage
See Also
Format String Syntax (Python documentation)
Format Specification Mini-Language (Python documentation)