diff --git a/labs03/task01.py b/labs03/task01.py
new file mode 100644
index 0000000..0a8c855
--- /dev/null
+++ b/labs03/task01.py
@@ -0,0 +1,29 @@
+lista = [1, 2, 3]
+
+a=id(lista)
+b=id(lista)
+
+if a == b:
+    print('Lista Immutable')
+else:
+    print('Lista Mutable')
+
+napis = 'Napis'
+
+c=id(napis)
+d=id(napis)
+
+if c == d:
+    print('Napis Immutable')
+else:
+    print('Napis Mutable')
+
+liczba=23.34
+
+e=id(liczba)
+f=id(liczba)
+
+if e == f:
+    print('Liczba Immutable')
+else:
+    print('Liczba Mutable')
\ No newline at end of file