# your code goes here a = [10] b, c = a, a print(id(a), id(b), id(c)) b.append(20) print(a, b, c) print(id(a), id(b), id(c))
Standard input is empty
22682660978176 22682660978176 22682660978176 [10, 20] [10, 20] [10, 20] 22682660978176 22682660978176 22682660978176