python documentation - 2022 04 18 09 25

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python

rem insatll python, here
rem enter https://www.python.org/downloads/windows/
rem replace path length limit disable    

tensorflow

rem install tensorflow, here
pip install tensorflow

venv

mypath='C:\Users\hangil01\Desktop\my IDE\internal system\windows 10\python 3.9\python virtual environment\venv 01'
python -m venv --system-site-packages %mypath%

rem activate venv 
%mypath%\scripts\activate

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pip

rem upgrade version, here
python -m pip install --upgrade pip

virtualenv

rem install virtualenv, here
pip install virtualenv
virtualenv "vertual environment 01"

rem activate virtualenv, here
"vertual environment 01"/scripts/activate

rem deactivate virtualenv, here
deactivate

not sorted

rem add path of python.exe to path as system variable

rem enter position of python.exe
rem copy address of python.exe
rem enter 고급 시스템 설정
rem alt n(환경 변수)
rem click path of 시스템 변수
rem alt i(edit)
rem alt n(새로 만들기)
rem save and get out

rem check version, here
pip3 --version
python3 --version

rem check installation of tensorflow, here
python tensor1.py

rem clear screen, here
import os
os.system("cls")

rem python basic packages list, here
rem system packages
rem sys
rem os
rem standard libraries
rem venv(virtual environment)(virtualenv 보다 나은가?)

rem python third party packages, here
pandas
numpy	
virtualenv(virtual environment, 특정 버전 최신화 불가)
conda(virtual environment)
pyenv(virtual environment, version mgmt tool)
pipenv(virtual environment)

rem install conda, here
rem if you use conda, install anaconda python.

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