self. 有什么用?
print('apple','bean',sep=',',end='self.')
2019-08-19 21:32
程序代码:
>>> print('apple','bean',sep=',',end='self.')
apple,beanself.>>> print('apple','bean')
apple bean
2019-08-19 21:52
2019-08-19 22:16
2019-08-19 22:17
2019-08-19 22:20