diff --git a/python bug_report.py b/python bug_report.py
new file mode 100644
index 000000000..e32dddd01
--- /dev/null
+++ b/python bug_report.py	
@@ -0,0 +1,4 @@
+def add(a, b):
+    if not isinstance(a, (int, float)) or not isinstance(b, (int, float)):
+        raise TypeError("Both arguments must be numbers.")
+    return a + b