Create app.py

app.py

@@ -0,0 +1,23 @@
+import streamlit as st
+from datetime import date
+
+def calculate_age(birth_date):
+    today = date.today()
+    age = today.year - birth_date.year - (
+        (today.month, today.day) < (birth_date.month, birth_date.day)
+    )
+    return age
+
+def main():
+    st.set_page_config(page_title="Age Calculator", page_icon="🎂")
+    st.title("🎉 Age Calculator")
+    st.markdown("Enter your birthdate to calculate your age.")
+
+    birth_date = st.date_input("Select your birthdate")
+
+    if st.button("Calculate Age"):
+        age = calculate_age(birth_date)
+        st.success(f"Your age is: **{age}** years")
+
+if __name__ == "__main__":
+    main()