Python2与Python3区别

1.

python2默认编码方式是ascii码

解决方式：在文件的首行：#-*- encoding:utf-8 -*-

python3 默认编码方式utf-8

2.

python2:

print 'guo'和print('guo')皆可

python3:

print('guo')

3.

python2:

range() xrange()

python3:

range()

4.

python2:

raw_input()

python3:

input()