Update app.py

app.py

@@ -1,22 +1,68 @@
+# # app.py
+# import gradio as gr
+
+# # Define the calculator function
+# def calculator(expression):
+#     try:
+#         result = eval(expression)
+#         return result
+#     except:
+#         return "Invalid input"
+
+# # Create Gradio interface
+# iface = gr.Interface(
+#     fn=calculator,
+#     inputs=gr.Textbox(label="Enter a math expression (e.g., 5 + 3 * 2)"),
+#     outputs=gr.Textbox(label="Result"),
+#     title="🧮 Calculator",
+#     description="This calculator can do addition (+), subtraction (-), multiplication (*), and division (/)."
+# )
+
+# # Launch the app
+# iface.launch()
+
 # app.py
 import gradio as gr
+import math
 
-# Define the calculator function
-def calculator(expression):
+# ✅ Safe Evaluation Function
+def safe_eval(expression):
     try:
-        result = eval(expression)
-        return result
-    except:
-        return "Invalid input"
+        # Allowed functions and constants
+        allowed_names = {k: v for k, v in math.__dict__.items() if not k.startswith("__")}
+        allowed_names.update({
+            "abs": abs,
+            "round": round,
+            "pow": pow,
+        })
+
+        result = eval(expression, {"__builtins__": None}, allowed_names)
+        return f"✅ Result: {result}"
+    except ZeroDivisionError:
+        return "❌ Error: Division by zero"
+    except Exception as e:
+        return f"❌ Error: Invalid expression"
 
-# Create Gradio interface
+# 🎨 Gradio Interface
 iface = gr.Interface(
-    fn=calculator,
-    inputs=gr.Textbox(label="Enter a math expression (e.g., 5 + 3 * 2)"),
-    outputs=gr.Textbox(label="Result"),
-    title="🧮 Calculator",
-    description="This calculator can do addition (+), subtraction (-), multiplication (*), and division (/)."
+    fn=safe_eval,
+    inputs=gr.Textbox(
+        label="📝 Math Expression",
+        placeholder="e.g. 8 + 2, 10 / 5, 3 * 4, sqrt(16), log(10), 5**2"
+    ),
+    outputs=gr.Textbox(label="📊 Result"),
+    title="🧮 AI-Powered Calculator",
+    description=(
+        "🔢 This calculator supports:\n"
+        "- ➕ Addition (+)\n"
+        "- ➖ Subtraction (-)\n"
+        "- ✖️ Multiplication (*)\n"
+        "- ➗ Division (/)\n"
+        "- 🧠 Math functions: sqrt(), log(), sin(), cos(), tan(), abs(), round(), pow()\n\n"
+        "⚠️ Type only valid math expressions. No natural language."
+    )
 )
 
-# Launch the app
-iface.launch()
+# 🚀 Launch
+if __name__ == "__main__":
+    iface.launch()