<human>:  if file not exist then creat.
<bot>: Here is a Python code to create a file if it does not exist

import os

def if_file_not_exist_then_create(file_name):
  """
  If file not exist then creat
  """
  if not os.path.exists(file_name):
    os.makedirs(file_name)

# Enter the file name
file_name = "test"

# Calling the function
print((if_file_not_exist_then_create(file_name)))

#Example Output
# None

#Remember to inspect code for bugs.