Update app.py

app.py

@@ -17,7 +17,7 @@ st.write('---')
 with st.sidebar:
     st.subheader('Filter Options')
     threshold = st.slider('Threshold for Total Bill', min_value=0, max_value=100, value=10, step=1)
-    day_selector = st.multiselect('Select Day(s)', options=data['day'].unique(), default=data['day'].unique())
+    day_selector = st.multiselect('Select Day(s)', options=data['day'].unique(), default=data['day'].unique().all())
 
 # Filter data
 filtered_data = data[data['total_bill'] > threshold]