Update app.py

app.py

@@ -1,13 +1,7 @@
-import numpy as np
-import gradio as gr
-import cv2 
- 
-def gray(input_img):
-    grayImage = cv2.cvtColor(input_img, cv2.COLOR_BGR2GRAY)
-    return grayImage
- 
-input = gr.Image(height=300, width=300, label="Upload Image") #label 代表输入框的标题
-output = gr.Image()
- 
-demo = gr.Interface(fn=gray, inputs=input, outputs = output)
-demo.launch(share=True)
+import gradio as gr
+
+def greet(name):
+    return "Hello " + name + "!!"
+    
+iface = gr.Interface(fn=greet, inputs="text", outputs="text")
+iface.launch()