Why python3 exists?

Question

Raw_input isn’t included!

Answer 1

Python 2.x input() function was scrapped and raw_input() got renamed to input()

Answer 2

use input function

Answer 3

why? it makes it harder

Answer 4

eval(input()) in Python 3.x is equal to Python 2.x input() so you can use that

Answer 5

what is print len something