diff --git a/labs02/task09.py b/labs02/task09.py
index 9045054..7591403 100644
--- a/labs02/task09.py
+++ b/labs02/task09.py
@@ -9,6 +9,15 @@ Np. leet('leet') powinno zwrócić '1337'.
 
 
 def leet_speak(text):
+    tekst = ""
+    slownik = {"e": "3", "l": "1", "o": "0", "t": "7"}
+    for i in text:
+        if i in slownik:
+            tekst += slownik[i]
+        else:
+            tekst += i
+    return tekst
+
     pass