update demo, readme

shixian.shi

2024-01-16 b7cb19b01a1454f7a1388e24dcd4e10fc654bd7c

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import os
 
 
def get_abs_path(rel_path):
    """
    Get absolute path
 
    Args:
        rel_path: relative path to this file
 
    Returns absolute path
    """
    return os.path.dirname(os.path.abspath(__file__)) + "/" + rel_path