表达式list(filter(lambda x:x.isupper(),[‘a’,’B’,’aB’]))的值为（______ ）。

def is_odd(n):return n%2 == 1lst1 = filter(is_odd,[1,2,3,4,5,6,7,8,9,10])list(lst1)值为？

已知 f=lambda a:a>0, lst=[-1,0,1]，则表达式 list( filter(f,lst) ) 的结果为

What kind of filter is used to extract a single-freq. harmonic from the harmonic components contained in square wave? A: Low-pass Filter B: High-pass Filter C: Band-pass Filter D: Band-elimination Filter

We can employ the next filters to detect edges from an image: A: Roberts filter B: Sobel filter C: mean filter D: Gaussian filter

The filter [img=142x47]18031c9cd67f894.png[/img] is a lowpass filter

Can you list three kinds of cause-and-effect patterns? Pattern one: ______; pattern two: ______; pattern three: ______.

Which pattern does Text A--What Makes Smart Cities Smart--follow? A: General-to-specifc pattern B: Specific-to-general pattern

下列关于Filter的描述中，正确的是 （）。 A: Filter只能过滤页面 B: Filter只能过滤Servlet C: Filter程序必须实现Filter接口 D: 一个web应用只能注册一个Filte

______ have an average of three children. A: Pattern Ⅰ families B: Pattern Ⅱ families C: Pattern Ⅲ families D: None of all