Colour Map On Scatter Plot

I have three columns in a csv file which reads like this: X,Y, Cosine efficiency 989.565,670.17,0.868684456 660.941,-1502.48,0.597998523 685.683,-1491.35,0.600137189 -1454.88,-316.

Solution 1:

plt.scatter(x_vals, y_vals,  c = z_vals, cmap = 'rainbow')

You're going to want to play with adding s= and choosing an appropriate size for the points. There's also a beautiful colormap set called cmocean that you may want to consider installing