ยอดขายใน Dash app

from dash import Dash, dcc
import pandas as pd
import plotly.express as px
ecom_sales = pd.read_csv('/usr/local/share/datasets/ecom_sales.csv')
ecom_sales = ecom_sales.groupby(['Year-Month','Country'])['OrderValue'].agg('sum').reset_index(name='Total Sales ($)')
line_fig = px.line(data_frame=ecom_sales, x='Year-Month', y='Total Sales ($)', title='Total Sales by Month', color='Country')

# Create the Dash app
app = ____()

# Set up the layout with a single graph
app.____ = [dcc.____(
  id='my-line-graph',
  figure=line_fig)]

# Set the app to run in development mode
if __name__ == '__main__':
    app.____(debug=____)