Add title and custom symbol

app.py

@@ -10,7 +10,7 @@ from statsmodels.tsa.arima.model import ARIMA
 from prophet import Prophet
 
 
-def prophet_ts(symbol):
+def prophet_ts(symbol, periods = 10):
     loader = dt.DataLoader(symbol, '2020-01-01','2022-06-01')
     data = loader.download()
     data.columns = [col[0] for col in data.columns]
@@ -19,7 +19,7 @@ def prophet_ts(symbol):
     pdf['ds'] = data.index 
     pdf['y'] = data.close.values
     m.fit(pdf)
-    future = m.make_future_dataframe(periods=30)
+    future = m.make_future_dataframe(periods=periods)
     forecast = m.predict(future)
     fig = go.Figure()
     fig.add_trace(go.Scatter(x= pdf.ds, 
@@ -33,5 +33,6 @@ def prophet_ts(symbol):
     return fig
 st.title("Trading in Vietnam")
 sb = st.text_input('Symbol', 'FPT')
-fig = prophet_ts(symbol=sb)
+periods = st.slider('How old are you?', 1, 365, 28)
+fig = prophet_ts(symbol=sb, periods = periods)
 st.plotly_chart(fig, use_container_width=True)