import psutil
import time

try:
    with open('usage.log', 'a') as log_file:
        while True:
            cpu = psutil.cpu_percent(interval=1)
            mem = psutil.virtual_memory()
            timestamp = time.strftime('%Y-%m-%d %H:%M:%S')
            log_entry = f"{timestamp} CPU: {cpu}% Memory: {mem.percent}%\n"
            log_file.write(log_entry)
            log_file.flush()
            time.sleep(4)  # Already waited 1 sec in cpu_percent, so sleep 4 more to total 5
except KeyboardInterrupt:
    print("Monitoring stopped by user.")"}