code: def _replace(reps):
      """Return a function that can make the replacements, given in
      ``reps``, on a string. The replacements should be given as mapping.
  
      Examples
      ========
  
      >>> from sympy.utilities.misc import _replace
      >>> f = _replace(dict(foo='bar', d='t'))
      >>> f('food')
      'bart'
      >>> f = _replace({})
      >>> f('food')
      'food'
      """
      if not reps:
          return lambda x: x
      D = lambda match: reps[match.group(0)]
      pattern = _re.compile(
          "|".join([_re.escape(k) for k, v in reps.items()]), _re.M
      )
      return lambda string: pattern.sub(D, string)
  
imports: from __future__ import annotations
  import operator
  import sys
  import os
  import re
  import struct
  from textwrap import fill, dedent
label_desc: Use image node_id 9 for calling a global function with example usage: _replace(reps) and returns: function, function