def read(console, buffer):
    char = console.read(1)
    if char == b'\x08':
        if buffer:
            console.write(b'\x08 \x08')
            buffer.pop()
        return
    elif char == b'\n':
        console.write(b'\n')
        data = b''.join(buffer)
        buffer.clear()
        return data
    elif len(char) == 1:
        console.write(char)
        buffer.append(char)
    else:
        return None