import pandas as pd
import cufflinks as cf
from chinese_calendar import is_workday
import plotly
import plotly.express as px
import plotly.graph_objects as go
import plotly.figure_factory as ff
plotly.offline.init_notebook_mode()
import scipy
import scipy.cluster.hierarchy as sch
from sklearn.metrics import *
import chart_studio
import chart_studio.plotly as py
from chart_studio.plotly import plot, iplot
chart_studio.tools.set_credentials_file(username='xxx', api_key='yyy') # 这里改成自己的用户名和 API key!!!
import matplotlib.pyplot as plt
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False
from IPython.display import HTML
from IPython.core.interactiveshell import InteractiveShell
InteractiveShell.ast_node_interactivity = 'all'
InteractiveShell.ast_node_interactivity = 'last'
import pylatex
import latexify