diff --git a/00/experimenting.py b/00/experimenting.py
index 9e9938db140238a43e45b2e530f83e6bab991b62..96a303e49e884ea06dfd2c7dc814423ff086de37 100644
--- a/00/experimenting.py
+++ b/00/experimenting.py
@@ -1 +1,6 @@
 # Hello!
+# f(x) = x^2
+x = 5
+s = "hello world"
+combination = "hello world " + str(5)
+print(s + " " + str(x))