# import GameKeys module

import GameKeys

# get the controller

controller = GameLogic.getCurrentController()

# get the keyboard sensor named sensor

sen = controller.getSensor("sensor")

# Keyboard Sensor is using the All keys buttons

# get information about the key pressed  

keyInfo = sen.getPressedKeys()

# extract the keycode from the info

event = keyInfo[0][0]

# get the key name

key = GameKeys.EventToString(event)

# import GameKeys module

import GameKeys

# get the current controller

controller = GameLogic.getCurrentController()

# get the keyboard sensor named assignKey

key = controller.getSensor("assignKey")

# Assign the A key to the keyboard sensor

key.setKey(GameKeys.AKEY)