March 2022
Intermediate to advanced
522 pages
13h 52m
Chinese
Content preview from Python语言及其应用（第2版）
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442
附录D
习题答案
第
1
章
Python
初探
1.
如果你还没有安装
Python 3
，现在就动手。具体方法参见附录
B
。
2.
启动
Python 3
交互式解释器
。同样，具体方法参见附录
B
。它会打印出几行信息和一
行
>>>
，这是你输入
Python
命令的提示符。
以下是我的
Mac
系统中的输出。
$ python
Python 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 16:39:00)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>
3.
小试一下解释器。把它当作计算器，输入
8 * 9
，按下回车键来查看结果。
Python
应该
会打印出
72
。
>>> 8 * 9
72
4.
输入数字
47
并按下回车键。解释器有没有在下一行打印出
47
？
>>> 47
47
习题答案
｜
443
5.
现在，输入
print(47)
并按下回车键。解释器是否在下一行也打印出了
47
？
>>> print(47)
47
第
2
章
数据
：
类型
、
值
、
变量和名称
1.
将整数值
99
赋给变量
prince
并打印该变量。 ...
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