【jupyter】notebook屏蔽warning信息输出

使用warnings包来实现信息屏蔽:

import warnings
warnings.filterwarnings("ignore")
# caution: there is a 's' after warning !!--> 
# >>>>>>>>> warnings<<<<<<<<

# if pervious not working, try following:
# 1.
# warnings.filterwarnings('ignore')
# warnings.simplefilter('ignore')
# 2.
# warnings.simplefilter("ignore") 
# warnings.warn("deprecated", DeprecationWarning)
# 3. command line
# python -W ignore file.py

ref: warnings package, 1, 2. 3, 4