code: def _update_encoding_dataset_names(
      encoding, dataset, numeric_name_prefix
  ):
      """Ensure variable names of the encoding dictionary account for numeric_name_prefix.
  
      A lot of channel names in satpy starts with a digit.
      When preparing CF-compliant datasets, these channels are prefixed with numeric_name_prefix.
  
      If variables names in the encoding dictionary are numeric digits, their name is prefixed
      with numeric_name_prefix
      """
      for var_name in list(dataset.variables):
          if not numeric_name_prefix or not var_name.startswith(
              numeric_name_prefix
          ):
              continue
          orig_var_name = var_name.replace(numeric_name_prefix, "")
          if orig_var_name in encoding:
              encoding[var_name] = encoding.pop(orig_var_name)
      return encoding
  
file_path: satpy/satpy/cf/encoding.py
imports: import logging
  import numpy
  import xarray
  from xarray.coding.times import CFDatetimeCoder
label_desc: Use image node_id 4 for calling a global function with example usage: _update_encoding_dataset_names(encoding, dataset, numeric_name_prefix) and returns: encoding