(self , base = 10 )
function
            init
        params
            base log基数，最好为最大值
        return 
            None 
        raise 
            None
function
            init
        params
            base log基数，最好为最大值
        return 
            None 
        raise 
            None
function init params base log基数，最好为最大值 return None raise None
def __init__(self , base = 10 ):
        '''
        function
            init
        params
            base log基数，最好为最大值
        return 
            None 
        raise 
            None 
        '''
        self.base = base
def __init__ ( self , base = 10 ) : self . base = base