class_docstr: Class representing a monomial, i.e. a product of powers. 
class_docstr_tok: ["Class","representing","a","monomial",",","i.e",".","a","product","of","powers","."]
code: def __hash__(self):
      return hash((self.__class__.__name__, self.exponents, self.gens))
  
imports: from itertools import combinations_with_replacement, product
  from textwrap import dedent
  from sympy.core import Mul, S, Tuple, sympify
  from sympy.polys.polyerrors import ExactQuotientFailed
  from sympy.polys.polyutils import PicklableWithSlots, dict_from_expr
  from sympy.utilities import public
  from sympy.utilities.iterables import is_sequence, iterable
label_desc: Use image node_id 6 for calling the Monomial obj's underlying member method code with example usage: obj.__hash__() and returns: hash