code: def test_issue_14528():
      p = symbols("p", integer=True, positive=True)
      assert combsimp(binomial(1, p)) == 1 / (
          factorial(p) * factorial(1 - p)
      )
      assert combsimp(factorial(2 - p)) == factorial(2 - p)
  
file_path: sympy/sympy/simplify/tests/test_combsimp.py
imports: from sympy.core.numbers import Rational
  from sympy.core.symbol import symbols
  from sympy.functions.combinatorial.factorials import FallingFactorial, RisingFactorial, binomial, factorial
  from sympy.functions.special.gamma_functions import gamma
  from sympy.simplify.combsimp import combsimp
  from sympy.abc import x
label_desc: Use image node_id 3 for calling a global function with example usage: test_issue_14528() without return types