code: def eval_levicivita(*args):
      """Evaluate Levi-Civita symbol."""
      n = len(args)
      return prod(
          prod(args[j] - args[i] for j in range(i + 1, n))
          / factorial(i)
          for i in range(n)
      )
  
imports: from math import prod
  from sympy.core import S, Integer
  from sympy.core.function import Function
  from sympy.core.logic import fuzzy_not
  from sympy.core.relational import Ne
  from sympy.core.sorting import default_sort_key
  from sympy.external.gmpy import SYMPY_INTS
  from sympy.functions.combinatorial.factorials import factorial
  from sympy.functions.elementary.piecewise import Piecewise
  from sympy.utilities.iterables import has_dups
label_desc: Use image node_id 2 for calling a global function with example usage: eval_levicivita() and returns: prod