13 июн. 2012 г. · Here is one option: from collections import defaultdict my_csv = '{d[first]},{d[middle]},{d[last]}' print( my_csv.format( d=defaultdict(str, ...

20 июн. 2013 г. · If you are using Python 3.2+, use can use str.format_map(). For bond, bond : from collections import defaultdict '{bond}, ...

19 июн. 2019 г. · This is a way to make the underscore optional in Python 3. :) spacer = "_" if part2 else "" desired_result ...

27 янв. 2018 г. · Sometime I am not interested in passing the last positional argument. As last argument value is not there. It`s an optional argument. message = ...

25 окт. 2017 г. · My Q is Can this be done using the formatting strings ? (e.g. some format modifier that will pad with 1 space if its parameter is not empty).

18 нояб. 2016 г. · So if I need to format, let's say 4 times, I need to wrap some of the placeholders into 4 pairs of brackets like so: my_str = "{first}, {{second}} ...

17 нояб. 2016 г. · My use case involves several more parameters than I've put in the simple example above. I was thinking of something where the optional bit is ...

8 февр. 2017 г. · Format string with possible non-existing arguments in Python · 1 · Python:non-empty format string passed to object.__format__ · 11 · optional ...

17 апр. 2021 г. · I am new to Python and would like to know how to pass an optional argument name “dynamically” in a function using a string stored in some ...

29 авг. 2016 г. · I'm using the logging API with Python 2.7, so I can't use Advanced String Formatting. My problem is as follow: >>> import logging >>> FORMAT = ' ...