update keypoints on 06

Author: wrightaprilm

_episodes/06-loops-and-functions.md

@@ -12,7 +12,10 @@ objectives:
     - "Build reusable code in Python."
     - "Write functions using conditional statements (if, then, else)."
 keypoints:
-    - "FIXME"
+    - "Loops help automate repetitive tasks over sets of items."
+    - "Loops can be combined with functions we have learned so far to make data analysis and processing more efficient."
+    - "Conditional statements allow us to sort data and perform different operations on different subsets of the data."
+    - "Functions can enable code reuse."
 ---
 
 So far, we've used Python and the pandas library to explore and manipulate