selfteaching / selfteaching/selfteaching-python-camp

Day02 自学营hello word!的几种操作方法

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Description

DAY2 hello word!到底怎么玩

今天在运行hello world程序的时候踩了个莫名其妙的坑,那就是输入print函数括号里面的点符号踩的坑。我开始输入的是esc下面那个`,然后程序一直报错,我快疯了,后面换了"才没有报错,最后我才发现是这个'(跟双引号在一起那个)。

建立hello_world.py文件的方法有三种

1.在vscode中可以直接通过点击new file建立。

2.通过终端建立,在cd \文件夹后\,输入

touch hello_world.py

这个方法在windows中会报告错误,没找到解决方案,我是在电脑上用virtualbox安装了ubuntu系统然后在Ubuntu系统中的终端上实现的。

3.直接在jupyterlab中建立一个hello_world.ipyb文件。

执行hello_world.py的方法有三种:

1.打开终端,cd打开hello_world.py程序所在的文件夹,执行

python hello_world.py

可以看到输出结果

2.在vscode中右键单击hello_world.py再点击在终端中运行也可以看到输出结果

3.在jupyterlab中直接shift+enter,也可以直接看到输出结果。

在hello_world.py中输入的内容有两种 :
print("hello world!")
print('hello world!') #跟双引号同一个键位的单引号

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Assessment

Tech stack
jupyter, python, vscode
Domain
content, documentation
Issue type
Documentation
Difficulty
1/5
Estimated time
Under an hour
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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