【电子学会】2020年09月Python二级试题

青少年编程小助手_Python

已于 2023-02-17 18:14:03 修改

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分类专栏： Python二级真题解析【电子学会】文章标签： python 开发语言青少年编程等级考试算法

于 2023-02-16 00:21:39 首次发布

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本文链接：https://blog.csdn.net/AlgorithmCharm/article/details/129053227

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本文提供了2020年Python二级考试的部分试题及答案解析，包括单选题、判断题和编程题，涉及Python语言的基础知识如列表、元组、字典、字符串的操作等。

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一、单选题（共25题，每题2分，共50分）

1、numbers = [1, 11, 111, 9], 运行 numbers.sort() 后，运行numbers.reverse() numbers会变成？（）

A. [1, 9, 11, 111]
B. [1, 11, 111]
C. [111, 11, 9, 1]
D. [9111111]

标准答案：C

2、执行下列代码，输出的结果是？（）

word = 'China'
num = 3
string = 'python'
total = string *

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实战：利用决策树对波士顿房价数据集进行预测（附源码）
胖多鱼: 首先要整理数据啊，你的数据情况做成同模板的表格就行了
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【电子学会】2020年09月Python二级 -- 编程题37
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2301_79185276: 我需要答案

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