Create app.py

app.py

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+Write a streamlit program in short number of lines that has four buttons on a sidebar also with a textbox labeled Github URL.  Create python code that performs the four functions with github : Pull & Read, Append and Write, Create a file on github, Delete a file on github.
+
+import streamlit as st
+
+st.sidebar.title('GitHub Functions')
+
+url = st.sidebar.text_input("GitHub URL")
+
+if st.sidebar.button("Pull & Read"):
+    # code to pull & read
+
+if st.sidebar.button("Append & Write"):
+    # code to append & write
+
+if st.sidebar.button("Create File"):
+    # code to create a file
+
+if st.sidebar.button("Delete File"):
+    # code to delete a file