Python codefile to save file with name as timestamp of accuracy upto millisecond

file_with_milisecond_name.py

#  Python code to save a file with timestamp of accuracy upto millisecond
from datetime import datetime as dt
current_time = dt.now()  # current system time e.g. 2018-07-16 16:34:43.050328
current_time_as_str = str(current_time)
filename = current_time_as_str + ".txt"
file = open(filename, "w+")  # Create a empty text file with timestamp name
file.close()