Python matplotlib scatter - different markers in one scatter

Question

I want to display some points. Here is my code:

plt.scatter(y[:,0],y[:,1],c=col)
plt.show()

And as col I have:

Answer 1

You can use one scatter plot per marker.

markers = ["s","o"]
for i, c in enumerate(np.unique(col)):
    plt.scatter(y[:,0][col==c],y[:,1][col==c],c=col[col==c], marker=markers[i])

For a way to use several markers in a single scatter plot, see this answer.