Create app.py

app.py

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+import streamlit as st
+
+# Set the title of the web app
+st.title("Simple Calculator")
+
+# Create input fields for numbers
+num1 = st.number_input("Enter first number", value=0)
+num2 = st.number_input("Enter second number", value=0)
+
+# Create a dropdown menu for selecting operations
+operation = st.selectbox("Select operation", ("Add", "Subtract", "Multiply", "Divide"))
+
+# Perform the calculation based on the selected operation
+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:
+        result = "Cannot divide by zero!"
+
+# Display the result
+st.write("Result:", result)