day1 python

day1

Acquaintance Python

1. View Python version

python --version

2. Installation ipython- interactive programming tools

1、pip install ipython
2、pip install jupyter
3、jupyter notebook

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3. View python version information

import sys
print(sys.version_info)
print(sys.version)

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4. Draw a square

import turtle
turtle.pensize(5)#画笔宽度
turtle.pencolor("red")#画笔颜色
turtle.forward(100)#前进100
turtle.right(90)#右转90度
turtle.forward(100)#前进100
turtle.right(90)#y右转90度
turtle.forward(100)#前进100
turtle.right(90)#右转90度
turtle.forward(100)#前进100
turtle.mainloop()

Comments in the code
single-line comments - in the beginning of the space portion and #
multiline comment - marks the beginning of three, three closing quotes

5. IPython - better interactive programming tools