Create app.py

app.py

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+import gradio as gr
+import codecs
+
+def rot13_cipher(text):
+    # Encode the text using ROT13
+    rot13_encoded = codecs.encode(text, 'rot_13')
+    
+    # Decode the text using ROT13
+    rot13_decoded = codecs.decode(rot13_encoded, 'rot_13')
+    
+    return rot13_encoded, rot13_decoded
+
+# Gradio interface
+iface = gr.Interface(
+    fn=rot13_cipher, 
+    inputs="text", 
+    outputs=["text", "text"], 
+    title="ROT13 Encoder/Decoder",
+    description="Enter text to see its ROT13 encoded and decoded versions."
+)
+
+# Launch the interface
+iface.launch()