笔记 （自用）

plt.rcParams['font.sans-serif'] = [u'SimHei']
plt.rcParams['axes.unicode_minus'] = False   #画图语句前加上这两句可以显示中文

f = open(r"G:\6Tipdm\file_read_write\yesterday.txt","r",encoding="utf-8")
data  = f.read()
print(data[:245])
f.close()