Microsoft Windows [版本 6.1.7601]

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C:\Users\HuangJian>python

Python 2.7.8 (default, Jun 30 2014, 16:03:49) [MSC v.1500 32 bit (Intel)] on win

32

Type "help", "copyright", "credits" or "license" for more information.

>>> 100-20

80

>>> exit<>

  File "<stdin>", line 1

    exit<>

         ^

SyntaxError: invalid syntax

>>>

这是啥情况？