#TIL there is a "format specifcation mini-language" for f-strings:https://cpython-previews--127835.org.readthedocs.build/en/127835/library/string.html#format-specification-mini-language(f-strings are a new way of formatting strings in #Python )
@blaise Actually, the "mini language" predate f-strings (which are from Python 3.6) - it was introduced with the ".format" method in strings, still in the Python 2 days.