Simple python loop error
<pre><code>print("Hi im a PC and my name is Micro, What's your name?")
name = raw_input("")
print("Hi " + name + " how are you, are you good?")
answer = (raw_input(""))
if answer == "yes":
           print("That's good to hear!")
elif answer == "no":
           print("Oh well")
while answer != ("yes","no")
           print("Sorry, you didnt answer the question properly, Please answer with a yes or no.")
print"I'm going to sleep for 5 seconds and then i'll be back."
import time
time.sleep(5)
print"I'm back!"
</code></pre>

<p>need to create a loop for the yes or no bit, anyone know how?
thanks for any help!</p>
