diff --git a/labs02/task07.py b/labs02/task07.py
index 80cbd37..fe9405b 100644
--- a/labs02/task07.py
+++ b/labs02/task07.py
@@ -6,7 +6,7 @@ Napisz funkcję char_sum, która dla zadanego łańcucha zwraca
 sumę kodów ASCII znaków.
 """
 def char_sum(text):
-    pass
+    return sum(ord(i) for i in text)
 
 def tests(f):
     inputs = [["this is a string"], ["this is another string"]]
diff --git a/labs02/task08.py b/labs02/task08.py
index 252b10d..e0eca7b 100644
--- a/labs02/task08.py
+++ b/labs02/task08.py
@@ -7,7 +7,11 @@ przez 3 lub 5 mniejszych niż n.
 """
 
 def sum_div35(n):
-    pass
+    sum=0
+    for i in range(n):
+        if (i%3 ==0 or i%5 ==0):
+            sum += i
+    return(sum)
 
 def tests(f):
     inputs = [[10], [100], [3845]]
diff --git a/labs02/task09.py b/labs02/task09.py
index 9045054..044d0ae 100644
--- a/labs02/task09.py
+++ b/labs02/task09.py
@@ -9,7 +9,11 @@ Np. leet('leet') powinno zwrócić '1337'.
 
 
 def leet_speak(text):
-    pass
+    text = text.replace('e', '3')
+    text = text.replace('l', '1')
+    text = text.replace('o', '0')
+    text = text.replace('t', '7')
+    return text
 
 
 def tests(f):
diff --git a/labs02/task10.py b/labs02/task10.py
index 58d40d2..741ecfb 100644
--- a/labs02/task10.py
+++ b/labs02/task10.py
@@ -9,7 +9,17 @@ na wielką. Np. pokemon_speak('pokemon') powinno zwrócić 'PoKeMoN'.
 
 
 def pokemon_speak(text):
-    pass
+    slowo = list(text)
+    wynik = []
+    for i in range(len(slowo)):
+        if i == 0 or i % 2 == 0:
+            wynik.append(slowo[i].upper())
+
+        else:
+            wynik.append(slowo[i])
+
+    slowo = "".join(wynik)
+    return slowo
 
 
 def tests(f):