Create app.py

app.py

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+import streamlit as st
+
+st.title("Simple Calculator")
+
+# Input fields
+num1 = st.number_input("Enter first number", format="%.2f")
+operation = st.selectbox("Select operation", ["+", "-", "*", "/"])
+num2 = st.number_input("Enter second number", format="%.2f")
+
+# Perform calculation
+result = None
+error = None
+
+if st.button("Calculate"):
+    try:
+        if operation == "+":
+            result = num1 + num2
+        elif operation == "-":
+            result = num1 - num2
+        elif operation == "*":
+            result = num1 * num2
+        elif operation == "/":
+            if num2 != 0:
+                result = num1 / num2
+            else:
+                error = "Cannot divide by zero"
+    except Exception as e:
+        error = str(e)
+
+    if error:
+        st.error(error)
+    else:
+        st.success(f"Result: {result:.2f}")