how to use np select

numpy_select.py

np.select(condlist, choicelist, default=0)

# EXAMPLE
CondList = [
   (data['FBG'] >= 126) | (data['HbA1c'] >= 6.5),
    ((data['FBG'] < 126) & (data['FBG'] >= 100)) | ((data['HbA1c'] < 6.5) & (data['HbA1c'] >= 5.7)),
    (data['FBG'] < 100) | (data['HbA1c'] < 5.7)]
ChoiceList = [2,1,0]
data.insert(1,'DM',np.select(CondList,ChoiceList,default=3))

# https://stackoverflow.com/questions/71380788/is-it-possible-to-use-numpy-select-with-a-dataframe-where-the-choicelist-depen
# https://stackoverflow.com/questions/39109045/numpy-where-with-multiple-conditions
# https://stackoverflow.com/questions/45080003/speed-up-python-apply-row-wise-functions  
# https://stackoverflow.com/questions/23586510/return-multiple-columns-from-pandas-apply