@author jackzhenguo
@desc 
@date 2019/3/4

In [1]: import sys

In [3]: a = [('a',1),('b',2)]                                                                                                             

In [5]: sys.getsizeof(a)                                                        
Out[5]: 88


In [6]: a = {'a':1,'b':2.0}                                                     
In [7]: sys.getsizeof(a)                                                        
Out[7]: 248