import csv
for line in open("test.csv"):
name,age,birthday = line.split(",")
name = name.strip(' /t/r/n');
age = age.strip(' /t/r/n');
birthday = birthday.strip(' /t/r/n');
 print (name + '/t' + age + '/t' + birthday)

alice, 22, 1992/03/05
bob, 33, 1981/11/21
cart, 40, 1974/07/13