docs: modified quickstart simple example (#349)

Co-authored-by: Talley Lambert <[email protected]>

docs/index.md

@@ -29,11 +29,19 @@ my_obj = MyObject()
 # You (or others) can connect callbacks to your signals
 @my_obj.value_changed.connect
 def on_change(new_value: str):
-    print(f"The value changed to {new_value}!")
-
-# The object may now emit signals when appropriate,
-# (for example in a setter method)
-my_obj.value_changed.emit('hi')  # prints "The value changed to hi!"
+    print(f'Hi {new_value}!') # prints the new string - Hi {new_value}
+
+# Mock event loop to see the effect of new signals with 
+# new values - watch the signal handler handle the changing values
+count = 0
+my_input = ""
+while count < 5:
+    my_input = input("enter a name here: ")
+
+    # The object may now emit signals when appropriate,
+    # (for example in a setter method)
+    my_obj.value_changed.emit(str(my_input))
+    count = count + 1    
 ```
 
 Please see the [Basic Usage](usage.md) guide for an overview on how to use psygnal,