如何使用csv文件创建词典

import csv
from collections import defaultdict

with open('data.csv', 'r') as file:
    csv_reader = csv.reader(file)

dictionary = defaultdict(list)

for row in csv_reader:
    key = row[0]
    value = row[1]
    dictionary[key].append(value)

for key, values in dictionary.items():
    print(key, values)

import csv
from collections import defaultdict

with open('data.csv', 'r') as file:
    csv_reader = csv.reader(file)
    dictionary = defaultdict(list)
    
    for row in csv_reader:
        key = row[0]
        value = row[1]
        dictionary[key].append(value)
    
    for key, values in dictionary.items():
        print(key, values)