code: def _op_maker(op_class, op_symbol):
      """Return a function to create an op class with its symbol already passed.
  
      Returns
      -------
      f : callable
      """
  
      def f(self, node, *args, **kwargs):
          """Return a partial function with an Op subclass with an operator
          already passed.
  
          Returns
          -------
          f : callable
          """
          return partial(op_class, op_symbol, *args, **kwargs)
  
      return f
  
imports: import ast
  from functools import partial
  import tokenize
  import numpy
  from pandas.compat import StringIO, lmap, reduce, string_types, zip
  import pandas
  from pandas import compat
  from pandas.core import common
  from pandas.core.base import StringMixin
  from pandas.core.computation.ops import _LOCAL_TAG, BinOp, Constant, Div, FuncNode, Op, Term, UnaryOp, UndefinedVariableError, _arith_ops_syms, _bool_ops_syms, _cmp_ops_syms, _mathops, _reductions, _unary_ops_syms, is_term
  from pandas.core.computation.scope import Scope
  import pandas.io.formats.printing
label_desc: Use image node_id 12 for calling a global function with example usage: _op_maker(op_class, op_symbol) and returns: f, partial