Update app.py

app.py

@@ -112,7 +112,7 @@ demo = gr.ChatInterface(
         ["Write a Python function to reverses a string if it's length is a multiple of 4. def reverse_string(str1): if len(str1) % 4 == 0: return ''.join(reversed(str1)) return str1 print(reverse_string('abcd')) print(reverse_string('python')) "],
         ["Rectangle $ABCD$ is the base of pyramid $PABCD$. If $AB = 10$, $BC = 5$, $\overline{PA}\perp \text{plane } ABCD$, and $PA = 8$, then what is the volume of $PABCD$?"],
         ["Difference between List comprehension and Lambda in Python lst  =  [x ** 2  for x in range (1, 11)   if  x % 2 == 1] print(lst)"],
-        ["What is the length, in units, of the radius of a sphere whose volume and surface area, in cubic units and square units, respectively, are numerically equal?"],
+        ["What happens when the sun goes down?"],
     ],
     cache_examples=False,
     type="messages",