import matplotlib.pyplot as plt
plt.rcParams['font.family'] = ['sans-serif']
#只要下面一行,上面的一行可以删除
plt.rcParams['font.sans-serif'] = ['SimHei']
vals1
import matplotlib.pyplot as plt
plt.rcParams['font.family'] = ['sans-serif']
#只要下面一行,上面的一行可以删除
plt.rcParams['font.sans-serif'] = ['SimHei']
vals1