(self, left, right)
return self.create_node(node_type=op.MINUS, args=(left, right))
Creates an expression of the form:
            left - right

        Restriction: Left and Right must be both INT or REAL type
Creates an expression of the form:
            left - right
Creates an expression of the form : left - right
def Minus(self, left, right):
        """ Creates an expression of the form:
            left - right

        Restriction: Left and Right must be both INT or REAL type
        """
        return self.create_node(node_type=op.MINUS, args=(left, right))
def Minus ( self , left , right ) : return self . create_node ( node_type = op . MINUS , args = ( left , right ) )