Answers for "(ax=self.canv.axes ,style="ro--")"

(ax=self.canv.axes ,style="ro--")

plot(x, y)        # plot x and y using default line style and color
>>> plot(x, y, 'bo')  # plot x and y using blue circle markers
>>> plot(y)           # plot y using x as index array 0..N-1
>>> plot(y, 'r+')     # ditto, but with red plusses