code: def test_mod():
      assert h % l == h % x == 1
      assert l % h == x % h == 2
      assert x % l == Mod(x, -1)
      assert l % x == Mod(-1, x)
  
imports: from sympy.core.decorators import call_highest_priority
  from sympy.core.expr import Expr
  from sympy.core.mod import Mod
  from sympy.core.numbers import Integer
  from sympy.core.symbol import Symbol
  from sympy.functions.elementary.integers import floor
label_desc: Use image node_id 6 for calling a global function with example usage: test_mod() without return types