Added exit() to Python Intro

JesseIrwin · JesseIrwin · commit 8e88cb818afd · 2014-08-05T13:32:16.000+10:00
Added exit() instruction so participants can be ready to set up the vm
next
diff --git a/python_introduction/README.md b/python_introduction/README.md
@@ -214,9 +214,9 @@ Now, try writing the following command:
 
     >>> django_dolls = {'Dottie' : 15, 'Lottie' : 305, 'EmmyLou' : 17}
 
-Don't be surprised with the weird names. Go to the link: http://hubpages.com/hub/50-Doll-Names to look for more cute doll names. :P Just Kidding (You should do this if and only if you have a lot of time). 
+Don't be surprised with the weird names. Go to the link: http://hubpages.com/hub/50-Doll-Names to look for more cute doll names. :P Just Kidding (You should do this if and only if you have a lot of time).
 
-Above, you just created a variable named django_dolls with three key-value pairs. The key Dottie points to the value 15, Lottie points to the value 305, EmmyLou points to the value 17. 
+Above, you just created a variable named django_dolls with three key-value pairs. The key Dottie points to the value 15, Lottie points to the value 305, EmmyLou points to the value 17.
 
 When to use a dictionary or a list? Well, a good point to ponder on. Just have a soltuion in mind before looking at the answer in the next line.
 
@@ -232,7 +232,7 @@ Like the lists, using len() method on the dictionaries, returns the number of ke
     >>> len(django_dolls)
     4
 
-I hope it makes sense uptil now. :) Ready for some more fun with Dictionaries? Hop on the next line for some amazing things. 
+I hope it makes sense uptil now. :) Ready for some more fun with Dictionaries? Hop on the next line for some amazing things.
 
 You can use del() command to delete an item in the dictionary which has particular. Say, if you want to delete the entry corresponding to the key Dottie, just type in the following command:
 
@@ -248,7 +248,7 @@ Apart from this, you can also change a value associated with an already created
     >>> django_dolls
     {'Jilly': 100, 'EmmyLou': 17, 'Lottie': 305}
 
-As you can see, the value of the key 'Jilly' has been altered from 67 to 100. :) Exciting? Hurrah! You just learnt another amazing thing. 
+As you can see, the value of the key 'Jilly' has been altered from 67 to 100. :) Exciting? Hurrah! You just learnt another amazing thing.
 
 ### Summary
 
@@ -520,6 +520,10 @@ You can also use `for` on numbers using the `range` method:
 
 Note that the second of these two numbers is not included in the list that is output by Python (meaning `range(1, 6)` counts from 1 to 5, but does not include the number 6).
 
+## Exiting Python
+
+You can exit Python and return to the command line using `exit()`.
+
 ## Summary
 
 That's it. __You totally rock!__ This really wasn't so easy, so you should feel proud of yourself. We're definitely proud of you for making it to here!
