code: def dotest(s):
      x = Symbol("x")
      y = Symbol("y")
      l = [Rational(2), Float("1.3"), x, y, pow(x, y) * y, 5, 5.5]
      for x in l:
          for y in l:
              s(x, y)
      return True
  
imports: from sympy.core.numbers import Float, Rational
  from sympy.core.symbol import Symbol
label_desc: Use image node_id 2 for calling a global function with example usage: dotest(s) and returns: True