code: def test_zero():
      assert 0**x != 0
      assert 0 ** (2 * x) == 0**x
      assert 0 ** (1.0 * x) == 0**x
      assert 0 ** (2.0 * x) == 0**x
      assert (0 ** (2 - x)).as_base_exp() == (0, 2 - x)
      assert 0 ** (x - 2) != S.Infinity ** (2 - x)
      assert 0 ** (2 * x * y) == 0 ** (x * y)
      assert 0 ** (-2 * x * y) == S.ComplexInfinity ** (x * y)
      assert Float(0) ** 2 is not S.Zero
      assert Float(0) ** 2 == 0.0
      assert Float(0) ** -2 is zoo
      assert Float(0) ** oo is S.Zero
  
      # Test issue 19572
      assert 0**-oo is zoo
      assert power(0, -oo) is zoo
      assert Float(0) ** -oo is zoo
  
imports: from sympy.core import Basic, Rational, Symbol, S, Float, Integer, Mul, Number, Pow, Expr, I, nan, pi, symbols, oo, zoo, N
  from sympy.core.parameters import global_parameters
  from sympy.core.tests.test_evalf import NS
  from sympy.core.function import expand_multinomial
  from sympy.functions.elementary.miscellaneous import sqrt, cbrt
  from sympy.functions.elementary.exponential import exp, log
  from sympy.functions.special.error_functions import erf
  from sympy.functions.elementary.trigonometric import sin, cos, tan, sec, csc, atan
  from sympy.functions.elementary.hyperbolic import cosh, sinh, tanh
  from sympy.polys import Poly
  from sympy.series.order import O
  from sympy.sets import FiniteSet
  from sympy.core.power import power
  from sympy.core.intfunc import integer_nthroot
  from sympy.testing.pytest import warns, _both_exp_pow
  from sympy.utilities.exceptions import SymPyDeprecationWarning
  from sympy.abc import a, b, c, x, y
label_desc: Use image node_id 13 for calling a global function with example usage: test_zero() without return types