#!/bin/env python3
import cmath
n=4
m=2*n-1
print ("(n,m)=",[n,m])
u=[complex(0, 0) for k in range(n) ]
u[0]=complex(-1,2)
u[1]=complex(3,-3)
u[2]=complex(-4,4)
u[3]=complex(5,-6)
v=[complex(0, 0) for k in range(m) ]
v[0]=u[0]
v[1]=(u[0]+u[1])/2
v[2]=u[1]
v[3]=(u[1]+u[2])/2
v[4]=u[2]
v[5]=(u[2]+u[3])/2
v[6]=u[3]
print ("u=",u)
print ("v=",v)