import serial
import sys

def read_rfid():
    ser = serial.Serial("/dev/ttyUSB0") # Enter the USB Port here
    ser.baudrate = 9600
    print("read..")
    
    data = ser.read(12)
    ser.close()
    return data

try:
    while True:
        print("Place the Card")
        id = read_rfid()
        print(id)
        
        user_input = input("Press 'q' and Enter to quit: ")
        if user_input.input ('q')
    except KeywordInterrupt:
        print("Ended By User")
finally:
    pass