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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 state_argspec(module=''):
    '''
    Return the argument specification of functions in Salt state
    modules.

    .. versionadded:: 2015.5.0

    CLI Example:

    .. code-block:: bash

        salt '*' sys.state_argspec pkg.installed
        salt '*' sys.state_argspec file
        salt '*' sys.state_argspec

    State names can be specified as globs.

    .. code-block:: bash

        salt '*' sys.state_argspec 'pkg.*'

    '''
    st_ = salt.state.State(__opts__)
    return salt.utils.args.argspec_report(st_.states, module)