pass command line arguments to python

Опубликовано: 01 Октябрь 2024
на канале: pyGPT

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certainly! in python, you can pass command line arguments to a script using the sys.argv list from the sys module or by using the argparse module, which provides a more convenient and powerful way to handle command line arguments. let's go through both methods.
the sys.argv list contains the command-line arguments passed to the script. the first element (sys.argv[0]) is the script name, and the following elements are the arguments.
here's a simple example:
save this script as script.py and run it from the command line:
the argparse module provides a more structured and user-friendly way to handle command line arguments. it allows you to define the arguments your script accepts, their types, and help messages.
here's an example:
save this script as script_argparse.py and run it from the command line:
this script expects an integer (arg1) as a positional argument and a floating-point number (arg2) as an optional argument. the --arg2 argument has a default value of 1.0 if not provided.
choose the method that best fits your needs based on the complexity and flexibility you require for handling command line arguments in your python script.
chatgpt
title: a beginner's guide to passing command line arguments in python
introduction:
command line arguments provide a powerful way to interact with python scripts, allowing users to customize script behavior without modifying the source code. in this tutorial, we'll explore how to pass command line arguments to python scripts and demonstrate some practical examples.
sys.argv: basic usage
python provides the sys.argv list, which contains command line arguments. the first element (sys.argv[0]) is the script name, and subsequent elements are the arguments passed.
run the script with arguments:
output:
argparse: advanced argument parsing
the argparse module offers a more sophisticated way to parse command line arguments. it provides options for different argument types, default values, and help messages.
run the script:
output:
clic ...

#python arguments in functions
#python arguments default value
#python arguments from command line
#python arguments parser
#python arguments list

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