function can be defied by a person or a user, thus it is not fixed just like a variable.

To achieve a big goal, a person need to take multiple small steps. Often, a math question requires lots of smaller steps to get a final answer. In life, we often need to work on a small tasks to make somewhat meaningful outcomes.

shapes.py

@@ -5,7 +5,23 @@
 from turtle import *
 
 def triangle(side_length):
-    pass
+    forward(side_length)
+    right(120)
+    forward(side_length)
+    right(120)
+    forward(side_length)
+    right(120)
 
 def rectangle(height, width):
-    pass
+    forward(width)
+    right(90)
+    forward(height)
+    right(90)
+    forward(width)
+    right(90)
+    forward(height)
+    right(90)
+
+
+
+