diff --git a/labs02/task05.py b/labs02/task05.py
index f59268a..5d9ff8f 100644
--- a/labs02/task05.py
+++ b/labs02/task05.py
@@ -10,7 +10,12 @@ np. odległość pomiędzy punktami (0, 0, 0) i (3, 4, 0) jest równa 5.
 """
 
 def euclidean_distance(x, y):
-    pass
+    l = [x,y]
+    edl = []
+    for c1 in range(3):
+        edl.append(l[0][c1] - l[1][c1])
+    edl2 = [i**2 for i in edl]
+    return ( sum(edl2) ) ** 0.5
 
 def tests(f):
     inputs = [[(2.3, 4.3, -7.5), (2.3, 8.5, -7.5)]]