Update app.py

app.py

@@ -30,19 +30,37 @@ def txtRouletteHandler(x, y):
         return letterize(x)
     elif (rn == 2):
         return flip_text(x)
-    else
+    else:
         return flip_text(x)
 
+def check_cc(n):
+    
+    digits = [int(d) for d in str(n)]        
+    for i in range(1, len(digits), 2):
+        digits[i] *= 2
+        
+    total = sum(digits)
+    return "Valid" if total % 2 == 0 else "Invalid"
+
+
 with gr.Blocks(title="Josiah's Gradio Playground") as playground:
     gr.Markdown("# Josiah's Gradio Playground")
-    gr.Markdown("Playing around with Gradio.")
+    gr.Markdown("Playing around with Gradio. Note that tabs marked as ⚠️ should not be used for malicious purposes.")
     with gr.Tab("Tabs within Tabs"):
         with gr.Tab("1. first"):
             gr.Markdown("you're on 1")
         with gr.Tab("2. third"):
             gr.Markdown("you're on second")
     with gr.Tab("Text Roulette"):
-        gr.ChatInterface(txtRouletteHandler)
-        
+        gr.ChatInterface(fn=txtRouletteHandler, examples=["Hello from USA!", "How is your day?", "skcus teliot idibiks"])
+    with gr.Tab("⚠️ CC Validator"):
+        gr.Markdown("# THIS WAS NOT MEANT FOR MALICIOUS PURPOSES!")
+        gr.Markdown("This is meant to be a fun tool to use.")
+        num = gr.Textbox("CC Number (DO NOT USE MALICIOUSLY)")
+        valid = gr.Textbox("Is valid (DO NOT USE MALICIOUSLY)")
+        with gr.Row():
+            validate = gr.Button("Validate")
+            gr.ClearButton([num, valid])
+            validate.click(fn=check_cc, inputs=num,outputs=valid)
 
 playground.launch()