diff --git a/labs02/task09.py b/labs02/task09.py
index 2f429b2..82ab67f 100644
--- a/labs02/task09.py
+++ b/labs02/task09.py
@@ -9,10 +9,15 @@ Np. leet('leet') powinno zwrócić '1337'.
 
 
 def leet_speak(text):
-    for i in text :
-        if i == "e" :
-
-
+    if 'e' in text :
+        text = text.replace("e", "3")
+    if "l" in text :
+        text = text.replace("l", "1")
+    if "o" in text :
+        text = text.replace("o", "0")
+    if "t" in text :
+        text = text.replace("t", "7")
+    return(text)
 
 def tests(f):
     inputs = [['leet'], ['do not want']]