code: def vmunapply(group, vs):
      r"""Remove a list of variables from multiple dataframes.
  
      Parameters
      ----------
      group : alphapy.Group
          The input group.
      vs : list
          The list of variables to remove from the ``group``.
  
      Returns
      -------
      None : None
  
      See Also
      --------
      vmapply
  
      """
      for v in vs:
          vunapply(group, v)
  
imports: from alphapy.alias import get_alias
  from alphapy.frame import Frame
  from alphapy.frame import frame_name
  from alphapy.globals import BSEP, LOFF, ROFF, USEP
  from alphapy.utilities import valid_name
  import builtins
  from collections import OrderedDict
  from importlib import import_module
  import logging
  import numpy
  import pandas
  import parser
  import re
  import sys
label_desc: Use image node_id 9 for calling a global function with example usage: vmunapply(group, vs) without return types