diff --git a/square.py b/square.py
index f1fb2a2..f741c6a 100644
--- a/square.py
+++ b/square.py
@@ -1,17 +1,14 @@
 from turtle import *
 
 def square(side_length):
-    forward(side_length)
-    right(90)
-    forward(side_length)
-    right(90)
-    forward(side_length)
-    right(90)
-    forward(side_length)
-    right(90)
+    
+    sides = [side_length] * 4  
+    for side in sides:          
+        forward(side)           
+        right(90)               
 
 sizes = [20, 40, 60, 80, 100]
 for size in sizes:
     square(size)
-input()
 
+input()