Made the square repeat using a list iteration

It wasnt difficult, it just took some time to figure out how to write it. I used the previous code for how they repeated the square but changed its size to understand how to write the correct code.

square.py

@@ -1,17 +1,17 @@
 from turtle import *
 
 def square(side_length):
+    repeat = [1, 2, 3, 4]
+    for repeat in repeat:
         forward(side_length)
         right(90)
-    forward(side_length)
-    right(90)
-    forward(side_length)
-    right(90)
-    forward(side_length)
-    right(90)
+    
 
 sizes = [20, 40, 60, 80, 100]
 for size in sizes:
-    square(size)
+    square(20)
+    penup()
+    forward(40)
+    pendown()
 input()