Update app.py

app.py

@@ -32,10 +32,10 @@ date_options = covid['Date'].unique().tolist()
 date = st.selectbox("Which date would you like to see?", date_options, 100)
 country = st.multiselect("Which country would you like to see?", country_options, ['Brazil'])
 covid = covid[covid['Country'].isin(country)]
-covid = covid[covid['Date'] == date]
+# covid = covid[covid['Date'] == date]
 
 fig2 = px.bar(covid, x="Country", y="Confirmed", color="Country",
-              range_y=[0,35000])
+              range_y=[0,35000], animation_frame="Date", animation_group="Country")
 
 fig2.layout.updatemenus[0].buttons[0].args[1]['frame']['duration'] = 30
 fig2.layout.updatemenus[0].buttons[0].args[1]['transition']['duration'] = 5