Create streamlit_app.py

streamlit_app.py

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+import streamlit as st
+from calculator import add, subtract, multiply, divide
+
+st.title("Calculator App")
+
+operation = st.selectbox("Select operation:", ["Add", "Subtract", "Multiply", "Divide"])
+x = st.number_input("Enter first number:", value=0)
+y = st.number_input("Enter second number:", value=0)
+
+if st.button("Calculate"):
+    if operation == "Add":
+        result = add(x, y)
+    elif operation == "Subtract":
+        result = subtract(x, y)
+    elif operation == "Multiply":
+        result = multiply(x, y)
+    elif operation == "Divide":
+        result = divide(x, y)
+    st.write(f"The result is: {result}")