# Vind de bug: Data Science & ML > Eén stukje code. Vind de bug, of bewijs dat er geen is. Dagelijkse challenge: 2026-08-19 (UTC) · Mid-Level ```python import hashlib from sqlalchemy.orm import Session from models import User def register_user(db: Session, email: str, password: str) -> User: hashed = hashlib.md5(password.encode()).hexdigest() user = User(email=email, password_hash=hashed) db.add(user) db.commit() db.refresh(user) return user def verify_password(db: Session, email: str, password: str) -> bool: user = db.query(User).filter_by(email=email).first() if not user: return False return user.password_hash == hashlib.md5(password.encode()).hexdigest() ``` ## Jouw oordeel - Beveiligingslek - Logicafout - Codestijl - Geen probleem Eén poging per dag. Het antwoord verschijnt direct daarna. --- Source: SharpSkill (https://sharpskill.dev), tech interview preparation for your real stack. HTML version of this page: https://sharpskill.dev/nl/dagelijkse-challenge/data-science