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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 dp2hx(number, lenout=_default_len_out):
 """ Convert a double precision number to an equivalent character string using base 16 "scientific notation." http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/dp2hx_c.html :param number: D.p. number to be converted. :type number: float :param lenout: Available space for output string. :type lenout: int :return: Equivalent character string, left justified. :rtype: str """

    number = ctypes.c_double(number)
    lenout = ctypes.c_int(lenout)
    string = stypes.stringToCharP(lenout)
    length = ctypes.c_int()
    libspice.dp2hx_c(number, lenout, string, ctypes.byref(length))
    return stypes.toPythonString(string)