code: def date_munge():
      crimes_path = pyunit_utils.locate(
          "smalldata/chicago/chicagoCrimes10k.csv.zip"
      )
      crimes = h2o.import_file(path=crimes_path)
      crimes.describe()
  
      refine_date_col(crimes, "Date")
      crimes = crimes.drop("Date")
      crimes.describe()
  
imports: import sys
  import h2o
  from tests import pyunit_utils
label_desc: Use image node_id 2 for calling a global function with example usage: date_munge() without return types