ring r=0,x,lp;
python_module::python("from Singular import number
n=number(6)
m=number(7)
print \"+\", n+m
print \"*\", n*m
print \"-\", n-m
print \"/\", n/m
print -n
print ((number(4)/number(2))==number(2))
print number(6)/number(5)+1;
n+=3
print n
n*=2
print n
n/=2
print n
n-=3
print n
print 2+n
print 2*n
print 12/n
print 10-n
");
$