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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 tpictr(sample, lenout=_default_len_out, lenerr=_default_len_out):
 """ Given a sample time string, create a time format picture suitable for use by the routine timout. http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/tpictr_c.html :param sample: A sample time string. :type sample: str :param lenout: The length for the output picture string. :type lenout: int :param lenerr: The length for the output error string. :type lenerr: int :return: A format picture that describes sample, Flag indicating whether sample parsed successfully, Diagnostic returned if sample cannot be parsed :rtype: tuple """

    sample = stypes.stringToCharP(sample)
    pictur = stypes.stringToCharP(lenout)
    errmsg = stypes.stringToCharP(lenerr)
    lenout = ctypes.c_int(lenout)
    lenerr = ctypes.c_int(lenerr)
    ok = ctypes.c_int()
    libspice.tpictr_c(sample, lenout, lenerr, pictur, ctypes.byref(ok), errmsg)
    return stypes.toPythonString(pictur), ok.value, stypes.toPythonString(
            errmsg)