code: def df_orders():
      return pd.DataFrame(
          {
              "customer": ["Mary", "Tom", "Lila"],
              "order": ["ice coffee", "lemonade", "regular coffee"],
          }
      )
  
file_path: pyjanitor/tests/functions/test_find_replace.py
imports: import numpy
  import pandas
  import pytest
label_desc: Use image node_id 4 for calling a global function with example usage: df_orders() and returns: pd