Hartanah Ejen Kutipan Sewa

import pandas as pd
from datetime import datetime

def check_overdue(tenants, due_date):
    today = datetime.now().date()
    overdue = []
    for t in tenants:
        if t['last_payment'] < due_date:
            overdue.append(t)
    return overdue

def collection_summary(tenants, total_due):
    collected = sum(t['paid'] for t in tenants if t['status'] == 'Paid')
    return {'collected': collected, 'outstanding': total_due - collected}

# Generate collection report