Update app.py

app.py

@@ -0,0 +1,27 @@
+# app.py
+import streamlit as st
+
+st.title("Simple Calculator")
+
+# Input fields for numbers
+num1 = st.number_input("Enter first number")
+num2 = st.number_input("Enter second number")
+
+# Operation selection
+operation = st.selectbox("Select operation", ["+", "-", "*", "/"])
+
+# Calculation and display
+if st.button("Calculate"):
+    if operation == "+":
+        result = num1 + num2
+    elif operation == "-":
+        result = num1 - num2
+    elif operation == "*":
+        result = num1 * num2
+    elif operation == "/":
+        if num2 == 0:
+            st.error("Division by zero is not allowed.")
+            st.stop()  # Stop execution if division by zero
+        else:
+            result = num1 / num2
+    st.write(f"Result: {result}")