text: import theano
  a = theano.tensor.vector("a") # declare variable
  b = a + a**10                 # build symbolic expression
  f = theano.function([a], b)   # compile function
  print f([0,1,2])
  # prints `array([0,2,1026])`
  
  theano.printing.pydotprint_variables(b, outfile="pics/f_unoptimized.png", var_with_name_simple=True)
  theano.printing.pydotprint(f, outfile="pics/f_optimized.png", var_with_name_simple=True)
  