2025/merge_large_data.py

import pandas as pd

# 读取拆分后的 CSV 文件
df1 = pd.read_csv('meta_info_2025_0327_part1.csv')
df2 = pd.read_csv('meta_info_2025_0327_part2.csv')

# 合并数据框
df_merged = pd.concat([df1, df2], ignore_index=True)

# 保存合并后的 CSV 文件
df_merged.to_csv('meta_info_2025_0327.csv', index=False)

print("CSV 文件已成功合并！")