From 7691e18a5a522801eed023b39ccd69c3cf59137b Mon Sep 17 00:00:00 2001
From: Jeffrey Elkner <jeff.elkner@gmail.com>
Date: Fri, 19 May 2023 10:36:42 -0400
Subject: [PATCH] Add how_old.py example for chapter 3

---
 PY4E/ch03/how_old.py | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 PY4E/ch03/how_old.py

diff --git a/PY4E/ch03/how_old.py b/PY4E/ch03/how_old.py
new file mode 100644
index 0000000..00d034d
--- /dev/null
+++ b/PY4E/ch03/how_old.py
@@ -0,0 +1,8 @@
+age = input("How old are you? ")
+
+while not age.isnumeric():
+    age = input("Please enter only digits. Try again. How old are you? ")
+
+age = int(age)
+print("Great, your are", age, "years old. Next year you'll be", age+1, "!")
+