code: def dmp_sub_ground(f, c, u, K):
      """
      Subtract an element of the ground domain from ``f``.
  
      Examples
      ========
  
      >>> from sympy.polys import ring, ZZ
      >>> R, x,y = ring("x,y", ZZ)
  
      >>> R.dmp_sub_ground(x**3 + 2*x**2 + 3*x + 4, ZZ(4))
      x**3 + 2*x**2 + 3*x
  
      """
      return dmp_sub_term(f, dmp_ground(c, u - 1), 0, u, K)
  
imports: from sympy.polys.densebasic import dup_slice, dup_LC, dmp_LC, dup_degree, dmp_degree, dup_strip, dmp_strip, dmp_zero_p, dmp_zero, dmp_one_p, dmp_one, dmp_ground, dmp_zeros
  from sympy.polys.polyerrors import ExactQuotientFailed, PolynomialDivisionFailed
label_desc: Use image node_id 10 for calling a global function with example usage: dmp_sub_ground(f, c, u, K) and returns: dmp_sub_term