Create app.py

app.py

@@ -0,0 +1,30 @@
+import streamlit as st
+
+st.title("🧮 Simple Calculator")
+
+# Input fields
+num1 = st.number_input("Enter first number:", format="%.2f")
+operation = st.selectbox("Select operation:", ["Add", "Subtract", "Multiply", "Divide"])
+num2 = st.number_input("Enter second number:", format="%.2f")
+
+# Perform calculation
+if st.button("Calculate"):
+    try:
+        if operation == "Add":
+            result = num1 + num2
+        elif operation == "Subtract":
+            result = num1 - num2
+        elif operation == "Multiply":
+            result = num1 * num2
+        elif operation == "Divide":
+            if num2 != 0:
+                result = num1 / num2
+            else:
+                st.error("Cannot divide by zero.")
+                result = None
+
+        if result is not None:
+            st.success(f"Result: {result:.2f}")
+
+    except Exception as e:
+        st.error(f"An error occurred: {e}")