How to change for-loop iterator variable in the loop in Python?

Question

I want to know if is it possible to change the value of the iterator in its for-loop?

For example I want to write a program to calculate prime factor of a number in the

Answer 1

No.

Python's for loop is like other languages' foreach loops. Your i variable is not a counter, it is the value of each element in a list, in this case the list of numbers between 2 and number+1. Even if you changed the value, that would not change what was the next element in that list.