Update app.py

app.py

@@ -50,15 +50,15 @@ with col2:
 col3, col4 = st.columns(2)
 with col3:
     if st.button("Deep Learning"):
-        st.switch_page("deep_learning.py")
+        st.switch_page("pages/deep_learning.py")
 with col4:
     if st.button("Statistics"):
-        st.switch_page("statistics.py")
+        st.switch_page("pages/statistics.py")
 
 col5, col6 = st.columns(2)
 with col5:
     if st.button("Excel"):
-        st.switch_page("excel.py")
+        st.switch_page("pages/excel.py")
 with col6:
     if st.button("SQL"):
-        st.switch_page("sql.py")
+        st.switch_page("pages/sql.py")