import os
import requests

os.makedirs('data', exist_ok=True)

url = "https://huggingface.co/datasets/David-Egea/Creditcard-fraud-detection/resolve/main/creditcard.csv"

print("Downloading creditcard.csv...")
response = requests.get(url, stream=True)
response.raise_for_status()

with open('data/creditcard.csv', 'wb') as f:
    for chunk in response.iter_content(chunk_size=8192):
        f.write(chunk)

print("Download complete!")
import pandas as pd
df = pd.read_csv('data/creditcard.csv')
print(f"Rows: {len(df)}, Fraud: {df['Class'].sum()}")