code: def monomial_gcd(A, B):
      """
      Greatest common divisor of tuples representing monomials.
  
      Examples
      ========
  
      Lets compute GCD of `x*y**4*z` and `x**3*y**2`::
  
          >>> from sympy.polys.monomials import monomial_gcd
  
          >>> monomial_gcd((1, 4, 1), (3, 2, 0))
          (1, 2, 0)
  
      which gives `x*y**2`.
  
      """
      return tuple([min(a, b) for a, b in zip(A, B)])
  
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 7 for calling a global function with example usage: monomial_gcd(A, B) and returns: tuple