Python知识

使用with读取文件，并去掉末尾的换行符

with open(filename) as f:
    mylist = f.read().splitlines()

Python实现钉钉发送报警消息

[‘utf8’ codec can’t decode byte 0xe1 in position 25: invalid

continuation byte](https://stackoverflow.com/questions/19872773/unicodedecodeerror-while-using-json-dumps)