Create app.py

app.py

@@ -0,0 +1,36 @@
+import streamlit as st
+
+# App title
+st.title("🧮 Basic Calculator App")
+
+# Input numbers
+st.header("Enter numbers:")
+num1 = st.number_input("Enter first number", step=1.0, format="%.2f")
+num2 = st.number_input("Enter second number", step=1.0, format="%.2f")
+
+# Select operation
+operation = st.selectbox(
+    "Select Operation",
+    ("Addition", "Subtraction", "Multiplication", "Division")
+)
+
+# Calculate result
+if st.button("Calculate"):
+    if operation == "Addition":
+        result = num1 + num2
+        st.success(f"Result: {result}")
+
+    elif operation == "Subtraction":
+        result = num1 - num2
+        st.success(f"Result: {result}")
+
+    elif operation == "Multiplication":
+        result = num1 * num2
+        st.success(f"Result: {result}")
+
+    elif operation == "Division":
+        if num2 != 0:
+            result = num1 / num2
+            st.success(f"Result: {result}")
+        else:
+            st.error("Error: Division by zero is not allowed!")