diff --git a/kjg/python-the-hard-way/e28.py b/kjg/python-the-hard-way/e28.py
new file mode 100644
index 0000000..d4a116a
--- /dev/null
+++ b/kjg/python-the-hard-way/e28.py
@@ -0,0 +1,19 @@
+#True and True -> True
+#False and True -> False
+#1 == 1 and 2 == 1 -> False
+#"test" == "test" -> True
+#1 == 1 or 2 != 1 -> True
+#True and 1 == 1 -> True
+#False and 0 != 0 -> False
+#True or 1 == 1 -> True
+#"test" == "testing" -> False
+#1 != 0 and 2 == 1 -> False
+#"test" != "testing" -> True
+#"test" == 1 -> False
+#not (True and False) -> True
+#not(1 == 1 and 0 != 1) -> False
+#not (10 == 1 or 1000 == 1000) -> False
+#not(1 != 10 or 3 == 4) -> False
+#not ("testing" == "testing" and "Zed" == "Cool Guy") -> True
+#1 == 1 and (not("testing" == 1 or 1 == 0)) -> True
+#"chunky" == "bacon" and (not (3 == 4 or 3 == 3)) -> Fasle
diff --git a/kjg/python.org b/kjg/python.org
index 301bb4c..674907e 100644
--- a/kjg/python.org
+++ b/kjg/python.org
@@ -110,3 +110,8 @@ practice function and print
 practice import function
 **** ex26
 practice debug code
+*** Python #4:
+**** ex27
+How to use True and Flase
+**** ex28
+How to use Boolean