Bok - en klass i Python

bok.py

class Bok:

def __init__(self, datarad):
   datarad = datarad.strip()
   datarad = datarad.split(",")
   self.titel = datarad[0]

def __str__(self):
   return self.titel

with open("bokdata.csv", encoding = "utf8") as fil:
   titelrad = fil.readline()
   print(titelrad)
   datarad = fil.readline()
   b = Bok(datarad)
   print(b)