Update app.py

app.py

@@ -0,0 +1,28 @@
+import streamlit as st
+
+st.set_page_config(page_title="Simple Calculator", page_icon="🧮")
+
+st.title("🧮 Simple Calculator")
+
+# Input numbers
+num1 = st.number_input("Enter first number:", value=0.0, step=1.0)
+num2 = st.number_input("Enter second number:", value=0.0, step=1.0)
+
+# Select operation
+operation = st.selectbox("Choose operation:", ["Addition", "Subtraction", "Multiplication", "Division"])
+
+# Perform calculation
+if st.button("Calculate"):
+    if operation == "Addition":
+        result = num1 + num2
+    elif operation == "Subtraction":
+        result = num1 - num2
+    elif operation == "Multiplication":
+        result = num1 * num2
+    elif operation == "Division":
+        if num2 != 0:
+            result = num1 / num2
+        else:
+            result = "Error! Division by zero."
+
+    st.success(f"Result: {result}")