def _get_qubit_index(self, qubit):
        """Get the index number for a quantum bit
        Args:
            qubit (tuple): The tuple of the bit of the form
                (register_name, bit_number)
        Returns:
            int: The index in the bit list
        Raises:
            VisualizationError: If the bit isn't found
        """
        for i, bit in enumerate(self.qubit_list):
            if qubit == bit:
                qindex = i
                break
        else:
            raise exceptions.VisualizationError("unable to find bit for operation")
        return qindex
def _get_qubit_index(self, qubit):
        """Get the index number for a quantum bit
        Args:
            qubit (tuple): The tuple of the bit of the form
                (register_name, bit_number)
        Returns:
            int: The index in the bit list
        Raises:
            VisualizationError: If the bit isn't found
        """
        for i, bit in enumerate(self.qubit_list):
            if qubit == bit:
                qindex = i
                break
        else:
            raise exceptions.VisualizationError("unable to find bit for operation")
        return qindex
def _get_qubit_index ( self , qubit ) : for i , bit in enumerate ( self . qubit_list ) : if qubit == bit : qindex = i break else : raise exceptions . VisualizationError ( "unable to find bit for operation" ) return qindex
Get the index number for a quantum bit
        Args:
            qubit (tuple): The tuple of the bit of the form
                (register_name, bit_number)
        Returns:
            int: The index in the bit list
        Raises:
            VisualizationError: If the bit isn't found
Get the index number for a quantum bit Args : qubit ( tuple ) : The tuple of the bit of the form ( register_name bit_number ) Returns : int : The index in the bit list Raises : VisualizationError : If the bit isn t found