the same example but with no def for call import random random seed( class class xdef __init__selfarr self arr arr def get_num(selfi)return self arr[idef __call__(self)return self arr end of class definition xobj xrandom sample(range( , ) print(xobj get_num( ) print(xobj()traceback (most recent call lastfile "usingcall py"line in print(xobj()typeerror'xobject is not callable purdue university