[Tutor] "Print" behaviour inside a loop?

[Kent Johnson]

Simon Gerber wrote:
> I got it working with
> 
> while ip_addr == "":
>         sys.stdout.writelines("...")
>         sys.stdout.flush()
>         time.sleep(0.5)
>         ip_addr = get_addr()
>         if ip_addr != '':
>           ...

You should use sys.stdout.write(), not writelines(). writelines() expects a sequence of strings so what you wrote is roughly equivalent to
  sys.stdout.write(".")
  sys.stdout.write(".")
  sys.stdout.write(".")

Kent