csv и ООП

class MyReader:
    def __init__(self):
        self.reader = None
 
    def reading(self):
        with open('rez.csv', encoding='utf-8') as csvfile:
            self.reader = csv.DictReader(csvfile, delimiter=',')
            return self.reader
 
    def school(self):
        for i in self.reading():
            print(i)
 
 
MyReader().school()

class MyReader:
    def __init__(self):
        self.reader = None
        self.tmp={}
 
    def reading(self):
        with open('rez.csv', encoding='utf-8') as csvfile:
            self.reader = csv.DictReader(csvfile, delimiter=',')
            for i in self.reader:
                self.tmp.update(i)
        return self.tmp
 
 
 
    def school(self):
        print(self.reading())
 
 
MyReader().school()

class MyReader:
    def __init__(self):
        self.tmp = []
 
    def reading(self):
        with open('rez.csv', encoding='utf-8') as csvfile:
            reader = csv.DictReader(csvfile, delimiter=',')
            for i in reader:
                self.tmp.append(i)
 
    def school(self):
        self.reading()
        print(self.tmp)
 
 
MyReader().school()

import csv
 
class MyReader:
 
    def reading(self):
        with open('rez.csv', encoding='utf-8') as csvfile:
            reader = list(csv.DictReader(csvfile, delimiter=','))
        return reader
 
    def school(self):
        for i in self.reading():
            print(i)
 
 
MyReader().school()