Python function to dig into a nested obect without errors

get_value.py

def get_value(o, *args, default=None):
    for argIndex, arg in enumerate(args):
        if isinstance(arg, int):
            if isinstance(o, list) and 0 <= arg < len(o):
                o = o[arg]
            else:
                return default
        elif isinstance(arg, str):
            if isinstance(o, dict) and arg in o:
                o = o[arg]
            else:
                return default
        else:
            raise Exception(f"Arguments #{argIndex} ({arg}) not a string or integer")

    return o