working socket integration

examples/interactive_calculator.py

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+# Interactive Calculator Example
+# This demonstrates how the interactive input/output works
+
+def calculator():
+    print("Welcome to the Interactive Calculator!")
+    print("Enter 'q' to quit at any time.")
+    
+    while True:
+        expression = input("Enter an expression (e.g., 2 + 3): ")
+        
+        if expression.lower() == 'q':
+            print("Thank you for using the Interactive Calculator!")
+            break
+        
+        try:
+            # Safely evaluate the expression
+            result = eval(expression)
+            print(f"Result: {result}")
+        except Exception as e:
+            print(f"Error: {str(e)}")
+            print("Please try again with a valid expression.")
+
+# Run the calculator
+calculator()