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Bookmark or Share- python - What do *args and **kwargs mean? - Stack OverflowPutting *args and/or **kwargs as the last items in your function definition’s argument list allows that function to accept an arbitrary number of arguments and/or keyword arguments.
- python - Use of *args and **kwargs - Stack Overflowprint required_arg # args is a tuple of positional arguments, # because the parameter name has * prepended. if args: # If args is not empty. print args # kwargs is a dictionary of keyword arguments, # because the parameter name has ** prepended.
- What's the best way to parse command line arguments?$ ./app -h usage: app [-h] [--opt_arg OPT_ARG] [--switch] pos_arg [opt_pos_arg] Optional app description positional arguments: pos_arg A required integer positional argument opt_pos_arg An optional integer positional argument optional arguments: -h, --help show this help message and exit --opt_arg OPT_ARG An optional integer argument --switch A ...
- How can I pass a list as a command-line argument with argparse?I prefer passing a delimited string which I parse later in the script. The reasons for this are; the list can be of any type int or str, and sometimes using nargs I run into problems if there are multiple optional arguments and positional arguments.
- c++ - What does int argc, char *argv [] mean? - Stack OverflowThe variables are named argc (argument count) and argv (argument vector) by convention, but they can be given any valid identifier: int main(int num_args, char** arg_strings) is equally valid. They can also be omitted entirely, yielding int main(), if you do not intend to process command line arguments. Try the following program:
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