code: def _normalize_axis_tuple(axis, ndim):
      ret = []
      for ax in axis:
          ret.append(ax % ndim)
      return ret
  
file_path: chainer/chainer/functions/array/moveaxis.py
imports: import six
  from chainer import backend
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling a global function with example usage: _normalize_axis_tuple(axis, ndim) and returns: ret