在学习Scipy的leastsq扩展的时候，发现在中文前会用到'u'标签，这是干什么用的？
例如下述两行代码：
print u'真实参数',[A,k,theta]
pl.plot(x,y1,label = u'噪声数据')
为什么要加入u标签呢？否则中文报错！
Last active
April 10, 2016 08:26
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label u for chinese encoding about the python
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