#先引入后面可能用到的包(package)
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import seaborn as sns
sns.set()
%matplotlib inline
#正常显示画图时出现的中文和负号
from pylab import mpl
mpl.rcParams['font.sans-serif']=['SimHei']
mpl.rcParams['axes.unicode_minus']=False
JSONDecodeError: Expecting value: line 1 column 1 (char 0)出现这个问题,怎么解决?