category the customers with binary status from pandas in python 3.6

Question

Input:

df= {\'Customer_ID\':[2,3,4,5,6,7,8,9,10,11],\'A_Jan\':[1,1,1,1,1,1,0,1,1,1],
     \'A_Feb\':[1,1,1,1,1,0,1,0,1,1],\'A_Mar\':[1,1,1,1,1,0,1,0,0,1],