def _print_dot(_self, expr):
 return ('{((%s) \\cdot (%s))}' % (expr.args[0], expr.args[1]))

def _print_dot ( _self , expr ) : return ( '{((%s) \\cdot (%s))}' % ( expr . args [ 0 ] , expr . args [ 1 ] ) )
print statement used for latexprinter .