mongoimport显示错误: E11000重复键错误

import csv

def remove_duplicates(input_file, output_file):
    seen = set()
    with open(input_file, 'r') as infile, open(output_file, 'w', newline='') as outfile:
        reader = csv.DictReader(infile)
        writer = csv.DictWriter(outfile, fieldnames=reader.fieldnames)
        writer.writeheader()
        for row in reader:
            row_tuple = tuple(row.items())
            if row_tuple not in seen:
                seen.add(row_tuple)
                writer.writerow(row)

# 示例用法
remove_duplicates('input.csv', 'output.csv')

mongoimport --db mydatabase --collection mycollection --file data.json --upsert

import json

def check_duplicates(input_file):
    seen = set()
    with open(input_file, 'r') as infile:
        data = json.load(infile)
        for item in data:
            item_tuple = tuple(item.items())
            if item_tuple in seen:
                print(f"Duplicate found: {item}")
            else:
                seen.add(item_tuple)

# 示例用法
check_duplicates('data.json')