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@author jackzhenguo
@desc 元素都为真检查
@date 2019/2/10

4 元素都为真检查

所有元素都为真,返回 True,否则为False

In [5]: all([1,0,3,6])                                                          
Out[5]: False
In [6]: all([1,2,3])                                                            
Out[6]: True