diff --git a/Lesson20/pactice/part01/05_task_symbols.md b/Lesson20/pactice/part01/05_task_symbols.md
index 514373f..441d26b 100644
--- a/Lesson20/pactice/part01/05_task_symbols.md
+++ b/Lesson20/pactice/part01/05_task_symbols.md
@@ -32,5 +32,19 @@ n = 3
 ### Решение задачи
 
 ```python
-# TODO: you code here...
-```
\ No newline at end of file
+n = int(input("3 < n < 20: "))
+# n = 8
+side = int(n/2)
+
+for i in range(side, 0, -1):
+    spaces_outside = side - i
+    spaces = 2 * i -1
+    print(" " * spaces_outside + "#" + " " * spaces + "#")
+    if n % 2 != 0 and i == 1:
+        print(" " * (spaces_outside+1) + "#")
+
+for i in range(1, side + 1):
+    spaces_outside = side - i
+    spaces = 2 * i - 1
+    print(" " * spaces_outside + "#" + " " * spaces + "#")
+```