ring r=0,(x,y,z),lp;
timer=1;
python_module::python("from Singular import number,  polynomial, canonical_form, variable
p=canonical_form(1)
v=variable(0,'a')
p2=canonical_form(v)
print p+1
print p*p
print p/p
print p2+1
print p2*p2
print p2/p2
");
$