Update app.py

app.py

@@ -20,17 +20,21 @@ start_date = st.sidebar.date_input("Start date", datetime.date(2019, 1, 1))
 end_date = st.sidebar.date_input("End date", datetime.date(2023, 9, 30))
 
 # User input for the stock ticker symbol
-tickerSymbol = "^NSEI"
+tickerSymbol = st.sidebar.text_input('Enter Stock Ticker Symbol')
 
 if tickerSymbol:
     tickerData = yf.Ticker(tickerSymbol)  # Get ticker data
     tickerDf = tickerData.history(period='1d', start=start_date, end=end_date)  # Get the historical prices for this ticker
 
-    string_name = tickerData.info['longName']
+    string_name = tickerData.info.get('longName', 'Company Name Not Available')
     st.header('**%s**' % string_name)
 
-    string_summary = tickerData.info['longBusinessSummary']
-    st.info(string_summary)
+    # Try to get the business summary, handle KeyError if not available
+    try:
+        string_summary = tickerData.info['longBusinessSummary']
+        st.info(string_summary)
+    except KeyError:
+        st.warning("Business summary not available for this company.")
 
     # Ticker data
     st.header('**Ticker data**')
@@ -44,5 +48,3 @@ if tickerSymbol:
     st.plotly_chart(fig)
 else:
     st.warning("Please enter a valid Stock Ticker Symbol.")
-
-# You can remove the code for displaying the S&P 500 company symbols and information