q.py

   1 from csympy import HashTable
   2 from sympy import *
   3
   4 x = Symbol("x")
   5 y = Symbol("y")
   6 z = Symbol("z")
   7 a = Symbol("x")
   8
   9 e = (1 + y + x + z)**2
  10
  11 f = e*(e+1)
  12
  13 print f
  14 g = f.expand()
  15 print g