code: def test_var_cls():
      ns = {"var": var, "Function": Function}
      eval("var('f', cls=Function)", ns)
  
      assert isinstance(ns["f"], FunctionClass)
  
      eval("var('g,h', cls=Function)", ns)
  
      assert isinstance(ns["g"], FunctionClass)
      assert isinstance(ns["h"], FunctionClass)
  
file_path: sympy/sympy/core/tests/test_var.py
imports: from sympy.core.function import Function, FunctionClass
  from sympy.core.symbol import Symbol, var
  from sympy.testing.pytest import raises
label_desc: Use image node_id 5 for calling a global function with example usage: test_var_cls() without return types