把一个整数分解因数，遇到一点小问题，求解！

Question

number:385   
5 *
Traceback (most recent call last):
  File "D:/CCNA/python3.1/practice/因数分解.py", line 3, in <module>
    for i in range(2,n+1):
TypeError: 'float' object cannot be interpreted as an integer
为什么会出现这种结果！

Answer 1

Python3的话，试试n=n//i

Answer 2

python2里/是地板除，而python3里改进了，/是真正的除，//是地板除