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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 set_pending_symbol(self, pending_symbol=None):
 """Sets the context's ``pending_symbol`` with the given unicode sequence and resets the context's ``value``. If the input is None, an empty :class:`CodePointArray` is used. """

        if pending_symbol is None:
            pending_symbol = CodePointArray()
        self.value = bytearray()  # reset value
        self.pending_symbol = pending_symbol
        self.line_comment = False
        return self