Update app.py

app.py

@@ -1,58 +1,17 @@
-#write a streamlit map viewer that can show the detail and search for any city in the united states.
-
 import streamlit as st
 import pandas as pd
 import numpy as np
 import pydeck as pdk
 
-DATA_URL = (
-"uscities.csv"
-)
-
-# Load data into dataframe
-df = pd.read_csv(DATA_URL)
-
-st.title("Map Viewer")
-
-# Create a text element and let the reader know the data is loading.
-st.text("Loading data...")
-st.text("Search for any city in the United States:")
-
-# Get the user's search query
-search_query = st.text_input(label="City Name", value="")
-
-# Filter the dataframe
-if search_query != "":
-    df = df[df["city"].str.contains(search_query) == True]
-
-# Create a subheader
-st.subheader("City Detail")
-
-# Show the data
-st.write(df)
-try:
-    st.pydeck_chart(pdk.Deck(
-        map_style="mapbox://styles/mapbox/dark-v9",
-        initial_view_state={
-            "lat": df["lat"],
-            "lng": df["lng"],
-            #"lat": df["lat"].mean(),
-            #"lng": df["lng"].mean(),
-            "zoom": 4,
-            "pitch": 0,
-        },
-        layers=[
-            pdk.Layer(
-                "HexagonLayer",
-                data=df,
-                get_position=["lng", "lat"],
-                radius=100,
-                elevation_scale=4,
-                elevation_range=[0, 1000],
-                pickable=True,
-                extruded=True,
-            ),
-        ],
-    ))
-except:
-    st.write('Error Displaying Map', df["lat"], df["lng"])
+def ShowCityDataframe(DATA_URL):
+    df = pd.read_csv(DATA_URL)
+    st.title("Map Viewer")
+    st.text("Search for any city in the United States:")
+    search_query = st.text_input(label="City Name", value="")
+    if search_query != "":
+        df = df[df["city"].str.contains(search_query) == True]
+    st.subheader("City Detail")
+    st.write(df)
+
+Cities = "uscities.csv"
+ShowCityDataframe(Cities)