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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def load_user():
 """Read user config file and return it as a dict."""

    config_path = get_user_config_path()
    config = {}

    # TODO: This may be overkill and too slow just for reading a config file
    with open(config_path) as f:
        code = compile(f.read(), config_path, 'exec')
    exec(code, config)

    keys = list(six.iterkeys(config))
    for k in keys:
        if k.startswith('_'):
            del config[k]

    return config