Python Argparse Example - Python
How to implement argparse in python?
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Argparse is an user friendly command line interface. This argparse command is used to generate usage messages and issues when we enter the code with invalid arguments. The -h option which is known as help is the only free option that we get. Specifying anything else in the code will result in error. The example python code is given below.
arg.py:
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("echo")
args = parser.parse_args()
print args.echo
To run the code:
$ python arg.py --help
