code: def get_lib2to3_fixers():
      '''returns a list of all fixers found in the lib2to3 library'''
      fixers = []
      fixer_dirname = fixer_dir.__path__[0]
      for name in sorted(os.listdir(fixer_dirname)):
          if name.startswith("fix_") and name.endswith(".py"):
              fixers.append("lib2to3.fixes." + name[:-3])
      return fixerf get_lib2to3_fixers():
      '''returns a list of all fixers found in the lib2to3 library'''
      fixers = []
      fixer_dirname = fixer_dir.__path__[0]
      for name in sorted(os.listdir(fixer_dirname)):
          if name.startswith("fix_") and name.endswith(".py"):
              fixers.append("lib2to3.fixes." + name[:-3])
      return fixers
docs: returns a list of all fixers found in the lib2to3 library