In R, there is a function called abline in which a line can be drawn on a plot based on the specification of the intercept (first argument) and the slope (second argument). For instance, plot(1:10, 1:10) abline(0, 1) where the line with an intercept of 0 and the slope of 1 spans the entire range of the plot. Is there such a function in Matplotlib? Continue reading...