week 4 announcements :/

_announcements/week-4.md

@@ -4,4 +4,12 @@ week: 4
 date: 2021-09-16
 ---
 
-1. 
+* **Assignments Due**
+    * {{site.links.hw.hw03}} is due on *<u>Wednesday</u>, September 18th @ 5 PM*
+    * {{site.links.lab.lab04}} is due on *<u>Friday</u>, September 20th @ 5 PM*
+    * {{site.links.hw.hw04}} is due on *<u>Wednesday</u>, September 25th @ 5 PM*
+    * {{site.links.proj.proj1}}
+        * Checkpoint due on *<u>Friday</u>, September 27th @ 5 PM*
+        * Everything due on *<u>Friday</u>, October 4th @ 5 PM*
+* Lab 01, Lab 02, HW 01 Score Release [post](https://edstem.org/us/courses/64093/discussion/5272138)
+    * Check that your score looks correct!