v=[Mod(y,y^2+1), Mod(1,z), Mod(2,3), 1+O(3)];
T=Pol(v,'x);
Z=[1, Mod(5,3), "x", 3+O(3^3), -1/3+O(3), Mod(x,x^2), x*Mod(1,3) + Mod(2,3), (1+2*x+3*x^2+O(x^4))*Mod(1,5)];
F=[lift, a->lift(a,'x), a->lift(a,'y), a->lift(a,'z), centerlift,liftall,liftint,liftpol];
{
  for(i=1,#F,
    my (f=F[i]);
    print(f);
    for (j=1,#Z, print(f(Z[j])))
  )
}

