# How to add timestamp to CSV file in Python 
# Importing required modules
import csv
from datetime import datetime
  
  
# Here we are storing our data in a
# variable. We'll add this data in
# our csv file
rows = [['GeeksforGeeks1', 'GeeksforGeeks2'],
        ['GeeksforGeeks3', 'GeeksforGeeks4'],
        ['GeeksforGeeks5', 'GeeksforGeeks6']]
  
# Opening the CSV file in read and
# write mode using the open() module
with open(r'YOUR_CSV_FILE.csv', 'r+', newline='') as file:
  
    # creating the csv writer
    file_write = csv.writer(file)
  
    # storing current date and time
    current_date_time = datetime.now()
  
    # Iterating over all the data in the rows 
    # variable
    for val in rows:
          
        # Inserting the date and time at 0th 
        # index
        val.insert(0, current_date_time)
          
        # writing the data in csv file
        file_write.writerow(val)