code: def test_pretty():
      assert pretty(Q.positive(x)) == "Q.positive(x)"
      assert (
          pretty({Q.positive, Q.integer}) == "{Q.integer, Q.positive}"
      )
  
imports: from sympy.abc import x, y
  from sympy.assumptions.assume import global_assumptions
  from sympy.assumptions.ask import Q
  from sympy.printing import pretty
label_desc: Use image node_id 2 for calling a global function with example usage: test_pretty() without return types