Python enables the programmer to filter a list (also called list comprehension).

The Python lambda function enables a programmer to define "anonymous" functions.

For the list, a, defined below what would be the filtered result?

a = [ 2, 3, 5, 7, 8, 10]
filter(lambda x: not (x % 2), a)

Question

Python enables the programmer to filter a list (also called list comprehension).

The Python lambda function enables a programmer to define "anonymous" functions.

For the list, a, defined below what would be the filtered result?

a = [ 2, 3, 5, 7, 8, 10]
filter(lambda x: not (x % 2), a)

BlackTom AI · Accepted Answer

The question presents a Python list a = [2, 3, 5, 7, 8, 10] and uses a filter with the lambda x: not (x % 2).

First, understand what the lambda does: for any x, x % 2 computes the remainder after division by 2. If x is even, the remainder is 0; if x is odd, the remainder is 1.

Next, evaluate the truth value of not (x % 2) for each element:
- For x = 2: 2 % 2 is 0, so not 0 is True, meaning this element passes the filter.
- For x = 3: 3 % 2 is 1, so not 1 is False, so this element is filtered out.
- For x = 5: 5 % 2 is 1, so not 1 is False, so this element is filtered out.
- For x = 7: 7 % 2 is 1, so not 1 is False, so this element is filtered out.
- For x = 8: 8 % 2 is 0, so not 0 is True, so this element passes the filter.
- For x = 10: 10 % 2 is 0, so not 0 is True, so this element passes the filter.

As a result, only the elements that satisfy the condition are kept, namely the even numbers. The filter operation returns an iterable of these elements, preserving their original order from the input list.

Python enables the programmer to filter a list (also called list comprehension). The Python lambda function enables a programmer to define "anonymous" functions. For the list, a, defined below what would be the filtered result? a = [ 2, 3, 5, 7, 8, 10] filter(lambda x: not (x % 2), a)单项选择题

类似问题

numbers = [1, 4, 6]Which of the following would produce the result: [6]

Question at position 1 What will be the output of the following code? [1, 2, 3, 4, 5][1, 3, 5][2, 4][True, False, True, False, True]Clear my selection

What was the world's first widely adopted biodiversity policy?

The aim of the Paris Agreement is to ensure that the earth’s preindustrial temperature is not exceeded by more than º Celsius.

The IPCC's mission is to Blank ______.

Why have most international agreements for environmental protection been based on the honor system?

As was exhibited with the Montreal Protocol and the encouragement of reduced CFC production, trade can be an effective tool to compel compliance with international treaties.

The Stockholm Declaration and UNEP were the result of the Blank ______ first conference on the Human Environment in 1972.

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单