import serial
import time

baudrate = raw_input("Please enter the required baud rate:")

## You need to add the locations for your system, i.e. COM* for Windows, /dev/tty* for Nix systems

locations=['COM3']
for device in locations:
    try:
        print "Trying...", device
        arduino = serial.Serial(device, baudrate)
        break
    except:
        print "Failed.."
count = 5
time.sleep(1)
while count < 10:
    try:
        print arduino.readline()
    except:
        print "Fail"