diff --git a/Lesson20/pactice/part01/01_task_symbols.py b/Lesson20/pactice/part01/01_task_symbols.py
index 9e18e98..021f952 100644
--- a/Lesson20/pactice/part01/01_task_symbols.py
+++ b/Lesson20/pactice/part01/01_task_symbols.py
@@ -1,7 +1,17 @@
-n = int(input("n: "))  # n = 3
+## "Квадрат символами"
 
-for i in range(n):
-    if i == 0 or i == n - 1:
-        print("*" * n)
-    else:
-        print("*" + " " * (n - 2) + "*")
+
+n = int(input("Введите число от 2 до 19 :"))
+
+if 2 <= n <= 20:
+    for i in range(n):
+        for j in range(n):
+            if i == 0 or i == n - 1 or j == 0 or j == n - 1:
+                print("*", end="")
+
+            else:
+                print(" ", end="")
+        print()
+
+else:
+    print("Введите число в диапазоне от 2 до 19 ! ")