<human>:  Python functions to best way to stringify a date.
<bot>: Here is a Python function to best way to stringify a date

import datetime

def _best_date_format(dt):
  """
  >>> dt = datetime.datetime(2018, 1, 1)
  >>> _best_date_format(dt)
  '2018-01-01'
  """
  return dt.strftime("%Y-%m-%d")

# Enter the date
dt = datetime.datetime.now()

# Calling the function
print((_best_date_format(dt)))

#Example Output
# 2023-01-16

#Remember to inspect code for bugs.