Update app.py

app.py

@@ -1,13 +1,13 @@
 import streamlit as st
+import time
 import pandas as pd
 import numpy as np
 
 
-
 with st.sidebar: 
     st.image("https://www.onepointltd.com/wp-content/uploads/2020/03/inno2.png")
     st.title("Samuel's Portfolio")
-    choice = st.radio("Navigation", ["About Sam","Uber Project","Attached files", "Contact"])
+    choice = st.radio("Navigation", ["About Sam","Uber Project","Attached files", "Contact", "Plotting"])
     st.info("This project application helps you understand more about Samuel and his capabilities in detail.")
 
 if choice == "About Sam":
@@ -52,6 +52,37 @@ if choice == "Uber Project":
     st.subheader(f'Map of all pickups at {hour_to_filter}:00')
     st.map(filtered_data)
 
+if choice == "Plotting":
+    st.set_page_config(page_title="Plotting Demo", page_icon="📈")
+    
+    st.markdown("# Plotting Demo")
+    st.sidebar.header("Plotting Demo")
+    st.write(
+        """This demo illustrates a combination of plotting and animation with
+    Streamlit. We're generating a bunch of random numbers in a loop for around
+    5 seconds. Enjoy!"""
+    )
+    
+    progress_bar = st.sidebar.progress(0)
+    status_text = st.sidebar.empty()
+    last_rows = np.random.randn(1, 1)
+    chart = st.line_chart(last_rows)
+    
+    for i in range(1, 101):
+        new_rows = last_rows[-1, :] + np.random.randn(5, 1).cumsum(axis=0)
+        status_text.text("%i%% Complete" % i)
+        chart.add_rows(new_rows)
+        progress_bar.progress(i)
+        last_rows = new_rows
+        time.sleep(0.05)
+    
+    progress_bar.empty()
+    
+    # Streamlit widgets automatically run the script from top to bottom. Since
+    # this button is not connected to any other logic, it just causes a plain
+    # rerun.
+    st.button("Re-run")
+
 if choice == "Contact":
     st.title("You can contact me via:")