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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 eqstr(a, b):
 """ Determine whether two strings are equivalent. http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/eqstr_c.html :param a: Arbitrary character string. :type a: str :param b: Arbitrary character string. :type b: str :return: True if A and B are equivalent. :rtype: bool """

    return bool(libspice.eqstr_c(stypes.stringToCharP(a), stypes.stringToCharP(b)))