Update python-5.md

tutorials/python/python-5.md

@@ -1,16 +1,40 @@
-# Functions
+# Methods & Functions
 
 [https://docs.python.org/2/library/functions.html][1]
 
+## Methods
+
+> A method is a piece of code that is called by a name that is associated with an object. 
+[A.E.](http://stackoverflow.com/questions/155609/difference-between-a-method-and-a-function]
+
 [1]: https://docs.python.org/2/library/functions.html 
 
 ```
 # what can a cat do?
 # in iPython tab after the period to see what functions are attached to the object
 
+a = 'hello'
+b = 7
+c = [ 'apple', 'orange', 'banan', '32']
+
+# or use iPython built-in introspection
+# a? b? c?
+type(a)
+type(b)
+type(c)
+
+# what can we DO with ints, strings, and lists?
 # tab here
 a. 
+b.
+c.
 
+```
+
+## Functions
+
+```
+# Make your own verbs
 def print_twice(bob):
     print(bob)
     print(bob)
@@ -19,4 +43,6 @@ a = "hello world!"
 
 print_twice(a)
 
+# pass data from one function to another
+
 ```