csv的Json问题

import csv
import json

def csv_to_json(csv_file_path, json_file_path):
    data = []
    with open(csv_file_path, encoding='utf-8') as csvfile:
        reader = csv.DictReader(csvfile)
        for row in reader:
            data.append(row)
    
    with open(json_file_path, 'w', encoding='utf-8') as jsonfile:
        json.dump(data, jsonfile, ensure_ascii=False, indent=4)

# 示例调用
csv_to_json('example.csv', 'example.json')

import csv
import json

def json_to_csv(json_file_path, csv_file_path):
    with open(json_file_path, encoding='utf-8') as jsonfile:
        data = json.load(jsonfile)
    
    with open(csv_file_path, 'w', encoding='utf-8', newline='') as csvfile:
        writer = csv.writer(csvfile)
        if data:
            writer.writerow(data[0].keys())
            for row in data:
                writer.writerow(row.values())

# 示例调用
json_to_csv('example.json', 'example.csv')