Create app.py

app.py

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+import streamlit as st
+
+# Set the title of the Streamlit app
+st.title("Webpage Viewer")
+
+# Create a text input for the URL
+url = st.text_input("Enter the URL of the webpage you want to view:", "https://www.wikipedia.org")
+
+# Display the URL in an iframe if it's not empty
+if url:
+    st.components.v1.iframe(url, width=800, height=600)