在python中,++是什么意思？

Question

我读了这样的剧本

for ... :
   for ...:
      ++i

但是什么++意思呢？是++运营商是Python？

Answer 1

在python中,这只是一元加两次.它没有做任何事情.一个人可能强迫一个bool到一个int,但第二个是完全没用的.

Answer 2

>>> +1
1
>>> ++1
1
>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++1
1