diff --git a/main.py b/main.py
index eb664c5..2c8e510 100644
--- a/main.py
+++ b/main.py
@@ -1,8 +1,17 @@
-#String tests
-a = "  !{} {}!  "
-b = "  !{1} {0}!  "
-c = "hello"
-d = "world"
-print(a.format(c, d))
-print(b.format(c, d))
-print(b.format(d, c, a))
+#Bool tests
+print(bool(None))
+print(bool("abc"))
+print(bool(1))
+print(bool(0))
+print(int(False))
+print(int(True))
+x = ""
+print(bool(x))
+x = None
+print(bool(x))
+x = 0j
+print(bool(x))
+def dummy():
+    pass
+print(dummy)
+print(dummy())