import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
import numpy as np
import warnings

warnings.filterwarnings('ignore')
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False
pd.set_option('max.columns',200)
sns.set_style('darkgrid', {'font.sans-serif': ['SimHei','FangSong']})
sns.set(color_codes=True)

    
