讲 课程导学 - Python 环境的安装和配置

00 - Python

Xinyu OU

. Python

Python PythonAI "2.Python"

1. Python

a. PythonPythonURL: b. Add Python 3.8 to PATH

2.

2.1 python

>> pip install --upgrade pip

2.2

numpy >> pip install numpy

scipy >> pip install scipy

3. Python

IDLE IDLE

print("Hello World!")

Hello World!

import numpy import scipy # import

. Python

1. Python

AnacondaPythonAnacondaPython URL

2. Notebook

NotebookAnacondaPython "" -> Anaconda3(64bit) -> Jupyter Notebook(Anaconda3)

3. JupyterLab

JupyterLabJupyterJupyter

3.1 JupyterLab

Anaconda Prompt (Anaconda3) >> conda install jupyterlab

JupyterLab >> conda update jupyter_core jupyter_client

3.2 JupyterLab ()

JupyterLabAnaconda Prompt (Anaconda3) jupyter labJupyterLabNotebook'C:\Users\Administrator' JupyterLab

>> jupyter notebook --generate-config

C:\Users\.jupyter\jupyter_notebook_config.py c.NotebookApp.notebook_dir C:\Users\AnacondaAnaconda Prompt (Anaconda3)

(*.bat)JupyterLab a.

C:\ProgramData\Anaconda3\Scripts\jupyter-lab.exe D:\CloudStation\MyWebsites\Teaching\ComputerMath\

JupyterLabUser

b. JupyterLab.bat.bat

c. (*.bat)

4. Visual Studio Code (VSCode)

4.1 VSCode

VSCodePythonHtml+CSSJavascript phpWebJavaC++C VSCodeURL

4.2 VSCode ()

VSCode Extensions4Ctrl+Shift+X Install

Settings Sync Alt+Shift+U/D/ Settings SyncGithub Settings Sync Settings Sync

Ctrl+Shift+P Configure Display LanguageChinese (Simplified) Language Pack for Visual Studio Code VSCodeVSCode

Flake8 SettingFlake Python > Linting: Flake8 Enabled

PythonPython (Microsoft) Bracket Pair Colorizer 2+++ indent-rainbow Guides vscode-icons Extensions

Alt+Shift+F

Pythonpylint settings.json "python.linting.pylintArgs":["?generate-members"]

.

1. Python123

Python :

2. Notebook

Jupyterlab Notebook html pygis

.

PythonNumpyScipyAnaconda PythonPython

1. Numpy

NumpyPythonArray Numpyscikit-learn scikit-learn RUNOOBNumpy ml [ Numpy]

# importnumpy "np"numpy import numpy as np

# i, i = np.array([[12,34,56],[78,90,11]])

# i print("i = \n{}".format(i))

i = [[12 34 56]

[78 90 11]]

2. Scipy

ScipyPython Scipysparse 0npsparse()

# scipyfrom import numpy as np from scipy import sparse

# numpyeye()66 # 1 0 matrix = np.eye(6)

# np CSRScipy (sparse matrix) sparse_matrix = sparse.csr_matrix(matrix)

# print("\n{}".format(matrix))

[[1. 0. 0. 0. 0. 0.]

[0. 1. 0. 0. 0. 0.] [0. 0. 1. 0. 0. 0.] [0. 0. 0. 1. 0. 0.] [0. 0. 0. 0. 1. 0.] [0. 0. 0. 0. 0. 1.]]

# CSR print("CSR\n{}".format(sparse_matrix))

CSR (0, 0) 1.0 (1, 1) 1.0 (2, 2) 1.0 (3, 3) 1.0 (4, 4) 1.0 (5, 5) 1.0

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