diff --git a/week02-Basic_Programming_with_Python/test_typechecks.py b/week02-Basic_Programming_with_Python/test_typechecks.py
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--- /dev/null
+++ b/week02-Basic_Programming_with_Python/test_typechecks.py
@@ -0,0 +1,6 @@
+def say_hello(time: str, people: str) -> str:
+    return 'Good ' + time + ', ' + people
+
+
+say_hello('afternoon', 'folks')
+say_hello('afternoon', 1)
\ No newline at end of file
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