code: def pre_process(column):
      column = re.sub("  +", " ", column)
      column = re.sub("\n", " ", column)
      column = column.strip().strip('"').strip("'").lower()
      if not column:
          column = None
      return column
  
file_path: dedupe/benchmarks/benchmarks/common.py
imports: import csv
  import logging
  import optparse
  import re
  from dataclasses import dataclass
  from itertools import groupby
  from pathlib import Path
label_desc: Use image node_id 1 for calling a global function with example usage: pre_process(column) and returns: column