Update app.py

app.py

@@ -2,7 +2,6 @@ import gradio as gr
 import random as rd
 
 rand = rd.randint(0,9)
-btn2 = None
 
 def guess(num):
     num = int(num)
@@ -15,11 +14,11 @@ def guess(num):
 def answer():
     return str(rand)
 
-def newRand():
-        rand = rd.randint(0,9)
-        return ''
 
 with gr.Blocks() as myApp:
+    def newRand():
+        rand = rd.randint(0,9)
+        return ''
     with gr.Row():
         with gr.Column(scale=1):
                 inp = gr.Radio(choices=list(range(10)),label='เลือก 1 หมายเลข')
@@ -30,5 +29,5 @@ with gr.Blocks() as myApp:
             
     inp.change(guess,inp,out)  
     btn.click(fn=answer,outputs=out)
-btn2.click(fn=newRand,outputs=out)
+    btn2.click(fn=newRand,outputs=out)
 myApp.launch()