code: def test_literal_evalf_is_number_is_zero_is_comparable():
      x = symbols("x")
      f = Function("f")
  
      # issue 5033
      assert f.is_number is False
      # issue 6646
      assert f(1).is_number is False
      i = Integral(0, (x, x, x))
      # expressions that are symbolically 0 can be difficult to prove
      # so in case there is some easy way to know if something is 0
      # it should appear in the is_zero property for that object;
      # if is_zero is true evalf should always be able to compute that
      # zero
      assert i.n() == 0
      assert i.is_zero
      assert i.is_number is False
      assert i.evalf(2, strict=False) == 0
  
      # issue 10268
      n = sin(1) ** 2 + cos(1) ** 2 - 1
      assert n.is_comparable is False
      assert n.n(2).is_comparable is False
      assert n.n(2).n(2).is_comparable
  
imports: import collections
  from typing import TypeVar, Generic
  from sympy.assumptions.ask import Q
  from sympy.core.basic import Basic, Atom, as_Basic, _atomic, _aresame
  from sympy.core.containers import Tuple
  from sympy.core.function import Function, Lambda
  from sympy.core.numbers import I, pi, Float
  from sympy.core.singleton import S
  from sympy.core.symbol import symbols, Symbol, Dummy
  from sympy.concrete.summations import Sum
  from sympy.functions.elementary.trigonometric import cos, sin
  from sympy.functions.special.gamma_functions import gamma
  from sympy.integrals.integrals import Integral
  from sympy.functions.elementary.exponential import exp
  from sympy.testing.pytest import raises, warns_deprecated_sympy
label_desc: Use image node_id 17 for calling a global function with example usage: test_literal_evalf_is_number_is_zero_is_comparable() without return types