btcololo

import os
import pandas as pd
import zipfile

for root, subdirs, files in os.walk("C:/Users/domin/Desktop/Нова папка/Orderbook Bitfinex"):
    for file in files:
        zipfile1 = zipfile.ZipFile(os.path.join(root, file))
        zipfile1.extractall(path="C:/Users/domin/Desktop/Нова папка/Orderbook Bitfinex/Extracted")
        print("Extracted " + os.path.join(root, file))
data = []
i = 0
for root, subdirs, files in os.walk("C:/Users/domin/Desktop/Нова папка/Orderbook Bitfinex/Extracted"):
    for file in files:
        data.append(pd.read_csv(os.path.join(root, file)))
        if len(data) > 500000:
            data = pd.concat(data)
            print(data)
            data.to_csv("C:/Users/domin/Desktop/Нова папка/Orderbook Bitfinex/Combined large/orderbook_combined" + i + ".csv", index=False)
            data = []
            i += 1