code: def concatenate_inputs(multi_inputs):
      """Concatenate list of inputs."""
      mixing_names = []
      for inps in zip(*multi_inputs):
          mixing_name = ""
          for i, inp in enumerate(inps):
              mixing_name += basename_without_extension(inp) + "_"
  
          mixing_names.append(mixing_name + "_")
      return mixing_names
  
imports: import inspect
  import itertools
  import numpy
  import os
  from glob import glob
  from dipy.workflows.base import get_args_default
label_desc: Use image node_id 4 for calling a global function with example usage: concatenate_inputs(multi_inputs) and returns: mixing_names