rom matplotlib.pyplot import *
from random import *
N = 5
X1 = [gauss(3,0.5) for _ in range(N)]
Y1 = [gauss(1,0.5) for _ in range(N)]
X2 = [gauss(5,1) for _ in range(N)]
Y2 = [gauss(2,1) for _ in range(N)]
Xb = [gauss(5,1)]
Yb = [gauss(2,1)]
Xr = [gauss(3,0.5)]
Yr = [gauss(1,0.5)]
plot(X1,Y1,'ro')
plot(X2,Y2,'bo')
plot(Xr,Yr,'yD')
show()