diff --git a/labs02/task05.py b/labs02/task05.py
index f59268a..f5cd8f5 100644
--- a/labs02/task05.py
+++ b/labs02/task05.py
@@ -10,7 +10,10 @@ np. odległość pomiędzy punktami (0, 0, 0) i (3, 4, 0) jest równa 5.
 """
 
 def euclidean_distance(x, y):
-    pass
+    dist = 0
+    for a,b in x,y:
+        dist = (sum(a-b)**2)**0.5
+    return dist
 
 def tests(f):
     inputs = [[(2.3, 4.3, -7.5), (2.3, 8.5, -7.5)]]