code: def rescale_meanzero(x):
      """Rescales an array to mean-zero.
  
      x | array | the dataset to be rescaled
      """
  
      import wrangle
      import pandas as pd
  
      return wrangle.df_rescale_meanzero(pd.DataFrame(x)).values
  
label_desc: Use image node_id 1 for calling a global function with example usage: rescale_meanzero(x) and returns: wrangle