Create app.py

app.py

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+import streamlit as st
+
+st.set_page_config(page_title="Simple Calculator", page_icon="🧮")
+
+st.title("🧮 Simple Calculator")
+st.write("Enter two numbers and select an operation:")
+
+# Input fields
+num1 = st.number_input("Enter first number", format="%.2f")
+num2 = st.number_input("Enter second number", format="%.2f")
+
+# Operation selection
+operation = st.selectbox("Select operation", ["Addition", "Subtraction", "Multiplication", "Division"])
+
+# Result calculation
+result = None
+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 = "❌ Cannot divide by zero"
+
+# Display result
+if st.button("Calculate"):
+    st.success(f"Result: {result}")