Human: What is a good Python code to argparse default parser for subparser. Assistant: 
Here is a Python code to argparse default parser for subparser

import argparse

def get_parser():
    """Returns argparse default parser for subparser."""
    import argparse
    return argparse.ArgumentParser()

# Enter the string
string = "Hello World"

# Calling the function
parser = get_parser()
parser.add_argument("-s", "--string", type=str, default=string, help="Enter a string")

#Remember to inspect code for bugs.