任务里为什么一定要加转义字符，没有多个会引起歧义的字符啊
#为什么这样不行？我这里并没有多个’和”；为什么一定要加转义字符才可以
s='Python was started in 1989 by "Guido".\nPython is free and easy to learn.'
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#为什么这样不行？我这里并没有多个’和”；为什么一定要加转义字符才可以
s='Python was started in 1989 by "Guido".\nPython is free and easy to learn.'
2014-11-17
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