code: def test_reentrantcy():
      with evaluate(False):
          expr = x + x
          assert expr.args == (x, x)
          with evaluate(True):
              expr = x + x
              assert expr.args == (2, x)
          expr = x + x
          assert expr.args == (x, x)
  
file_path: sympy/sympy/core/tests/test_parameters.py
imports: from sympy.abc import x, y
  from sympy.core.parameters import evaluate
  from sympy.core import Mul, Add, Pow, S
  from sympy.core.numbers import oo
  from sympy.functions.elementary.miscellaneous import sqrt
label_desc: Use image node_id 3 for calling a global function with example usage: test_reentrantcy() without return types