code: def _handle_data_array_name(original_name, numeric_name_prefix):
      if original_name[0].isdigit():
          if numeric_name_prefix:
              new_name = numeric_name_prefix + original_name
          else:
              warnings.warn(
                  f"Invalid NetCDF dataset name: {original_name} starts with a digit.",
                  stacklevel=5,
              )
              new_name = original_name  # occurs when numeric_name_prefix = '', None or False
      else:
          new_name = original_name
      return original_name, new_name
  
imports: import logging
  import warnings
  from satpy.cf.attrs import preprocess_attrs
  from satpy.cf.coords import add_xy_coords_attrs, set_cf_time_info
label_desc: Use image node_id 1 for calling a global function with example usage: _handle_data_array_name(original_name, numeric_name_prefix) and returns: original_name,  new_name