csv

Reading CSV files (csv.reader)
Writing CSV files (csv.writer)
Dict-based reading/writing (csv.DictReader, csv.DictWriter)
Handling quoting, delimiters, newlines, and dialects

import csv 

with open("data.csv", newline="") as f: 
    reader = csv.reader(f) 
    for row in reader: 
        print(row) 

import csv 

with open("data.csv", "w", newline="") 
   writer = csv.writer(f) 
   writer.writerow(["name", "age"]) 
   writer.writerow(["David", 30])