layout

https://github.com/hong-sj/python/tree/main/code/code-py

import os
import pandas as pd
import numpy as np

from dash import Dash, html, dcc
from dash.dependencies import Input, Output, State


import plotly.graph_objects as go
from plotly.colors import DEFAULT_PLOTLY_COLORS 

dash_app = Dash(
    name = __name__,
    #server = server,
)
server = dash_app.server

dash_app.title = ('Dashboard - Sales data')
dash_app.layout = html.Div(children=[

    html.H2('Sales Dashboard with Dash', style={'textAlign':'center'}),
    
    # 영역나누기 : 위/아래 , 왼쪽/오른쪽
    html.Div(style={'display':'inline-block','width':'45%', 'background-color': 'red',  'border': '1px solid red'}, 
        children=[
            html.Div(dcc.Graph(id='channel1')),
            html.Div(dcc.Graph(id='channel2'))
        ]
    ),
    html.Div(style={'display':'inline-block','width':'45%', 'height':'100%', 'background-color': 'blue', 'border': '1px solid blue'}, 
        children=[html.Div(dcc.Graph(id='channel3'))]
    ),
])

if __name__=='__main__':
    dash_app.run_server(debug=False)