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1. 숫자를 천단위 컴마(",")로 추가하기 1.1 format() 함수 사용format(숫자, ",")>>> format(1234567890, ",")'1,234,567,890' 1.2 f-strings 방식으로 문자열 포멧팅하기f"{숫자:,d}" 또는 f"{숫자:,}">>> f"{1234567890:,d}"'1,234,567,890'>>> f"{1234567890:,}"'1,234,567,890' 1.3 {} 기호 방식으로 문자열 포멧팅하기"{:,d}".format(숫자) 또는 "{:,}".format(숫자)>>> "{:,d}".format(1234567890)'1,234,567,890'>>> "{:,}".format(1234567890)'1,234,567,890' 2. 숫자에서 천단위 컴마(","..

[ Error message ]ImportError: libf77blas.so.3: cannot open shared object file: No such file or directory [ Solution ]- Install libatlas-base-dev$ sudo apt install libatlas-base-dev [ Python ]gangserver@raspberrypi:~/devel/pydev $ python BreamAndSmelt.pyTraceback (most recent call last): File "/home/gangserver/devel/pydev/BreamAndSmelt.py", line 35, in from sklearn.neighbors import KNeighbo..

PIP package list $ pip freezebeautifulsoup4==4.12.2Django==4.2html5lib==1.1httplib2==0.20.2matplotlib==3.7.1numpy==1.24.2pandas==2.0.0Pillow==9.0.1requests==2.28.2scikit-learn==1.2.1scipy==1.10.1six==1.16.0 PIP package backup (file : requirements.txt)$ pip freeze > requirements.txt => Copy other pc file(requirements.txt) PIP package restore $ pip install --upgrade -r requirements.txtRequirement..

Ubuntu 16.04 or later $ sudo snap install [pycharm-professional|pycharm-community] --classic ex) Pycharm community version install $ sudo snap install pycharm-community --classic Pycharm professional version install $ sudo snap install pycharm-professional --classic [참고] https://www.jetbrains.com/pycharm/download/#section=linux Download PyCharm: Python IDE for Professional Developers by JetBrain..

Python 3.9 pip run error ---------------------------------------------------------------------------------------c:\dev>pipTraceback (most recent call last): File "C:\dev\tools\Python\Python39\lib\runpy.py", line 197, in _run_module_as_main return _run_code(code, main_globals, None, File "C:\dev\tools\Python\Python39\lib\runpy.py", line 87, in _run_code exec(code, run_globals) File "C:\d..

1. timeimport time start = time.time() (code) print("time :", time.time() - start)------------------------------------------------------------------------time : 59.317203998565674 2. time, numpy(round())import timeimport numpy as np start = time.time() (code) print("time :", np.round(time.time() - start), "(s)")------------------------------------------------------------------------time : 59.0 (..

Run anaconda promptConda package update> conda update -n base condaAll python package update> conda update --all

1. PIP 모듈 설치> pip install virtualenv virtualenvwrapper (* 윈도우는 virtualenvwrapper-win 설치> pip install virtualenv virtualenvwrapper-win) 사용mkvirtualenv : 가상 환경 생성deactivate : 가상 환경 종료rmvirtualenv : 가상 환경 삭제workon : 가상 환경 진입

1. pycodestyle install (Windows / Ubuntu)pip install pycodestyle 2. code style checkError / Warning code- Error code : Exxx / ex) E226- Warning code : Wxxx / ex) W391* detail code description : https://pep8.readthedocs.io pep8’s documentation — pep8 1.7.1 documentationDocs » pep8’s documentation Edit on GitHub Credits Created by Johann C. Rocholl. Maintained by Florent Xicluna and Ian Lee. Lice..

Google Colab (Colaboratory) python library install 1. Python module install/upgrade/uninstall 1-1. Module install!pip install (module name)ex,!pip install scikit-learn 1-2. Module upgrade!pip install --upgrade (module name)ex,!pip install --upgrade scikit-learn 1-3. Module uninstall!pip uninstall (module name)ex,!pip uninstall scikit-learn 2. Program install, upgrade, remove 2.1 Program install!..