Update app.py

app.py

@@ -1,3 +1,11 @@
 import streamlit as st
+import pandas as pd
+import numpy as np
 
 st.write("hello welcome to deep learning")
+
+
+
+chart_data = pd.DataFrame(np.random.randn(20, 3), columns=["a", "b", "c"])
+
+st.area_chart(chart_data)