def merge_solution(var, var_t, solution):
 sol = []
 if (None in solution):
  return ()
 solution = iter(solution)
 params = numbered_symbols('n', integer=True, start=1)
 for v in var:
  if (v in var_t):
   sol.append(next(solution))
  else:
   sol.append(next(params))
 for (val, symb) in zip(sol, var):
  if (check_assumptions(val, **symb.assumptions0) is False):
   return tuple()
 return tuple(sol)

def merge_solution ( var , var_t , solution ) : sol = [ ] if ( None in solution ) : return ( ) solution = iter ( solution ) params = numbered_symbols ( 'n' , integer = True , start = 1 ) for v in var : if ( v in var_t ) : sol . append ( next ( solution ) ) else : sol . append ( next ( params ) ) for ( val , symb ) in zip ( sol , var ) : if ( check_assumptions ( val , ** symb . assumptions0 ) is False ) : return tuple ( ) return tuple ( sol )
this is used to construct the full solution from the solutions of sub equations .