Using jupyter (I), install jupyter under windows, open the browser, and modify the default opening address

Why use jupyter

• （1）jupyter It can run in branches , In the past, if you want to check the function of a function, you need to create another py file , More trouble , No need now ,nice

• （2） Development trend , Or convenient

• （3） Doggerel

One 、jupyter Installation

open cmd, Use pip install

pip install jupyter   Generally, the installation is slow    It is recommended to use image installation 
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple jupyter  #  Tsinghua mirror , Other casual 

After installation , stay cmd Or the port input of the compiler jupyter notebook
however

Although you can copy the following link to open and enter jupyter, But it's very inconvenient .
So we need to set the default browser , Make it input each time jupyter notebook , Can automatically open the browser

Two 、 Set up jupyter browser

（1） Check the location of the browser

• 1） Browser icon —— attribute —— The starting position
  
• 2） If it is Google browser, you can also enter ,chrome://version/
  

（2） Look at the configuration file

stay cmd Input in jupyter notebook --generate-config In the input y, It will return jupyter Configuration file for , Open this file .

（3） Change the default address

Find... In the open file ,c.NotebookApp.browser
Generally ctrl+f lookup

You can see ,browser There is no content in it , This is why no one can open it directly
After the c.NotebookApp.browser=" " Enter the following code , Replace the address in the code with the browser's executive file directory found in the first step

import webbrowser
webbrowser.register('chrome',None,webbrowser.GenericBrowser(u'C:\Program Files (x86)\Google\Chrome\Application\chrome.exe'))
c.NotebookApp.browser = 'chrome'

Then save it ok 了
Generally, the default file location is opened

3、 ... and 、 Modify the default opening address

Similar to the above , This time c.NotebookApp.notebook_dir , Enter your file address in the back ok, Remember to put the front ”#“ Get rid of

Oh oh , Almost forgot , If you don't want to open it every time cmd Input jupyter notebook, You can build a txt, Input jupyter notebook , Then change the suffix to bat, Just open this file next time

Time really fast , Magical 20 End of year in the past

In the past , All is prologue
2020.12.30