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1. python library list backup $ pip freeze > requirement.txt 2. python library reinstall $ pip install -r requirement.txt

1. Python 64bit install(Check [V] Add Python 3.9 to PATH option) * Python 64bint version : 3.9.4 (ex, C:\Dev\Python\Python39) 2. Python 32bit install(Uncheck [ ] Add Python 3.9 to PATH option) * Python 32bit version : 3.9.2 (ex, C:\Dev\Python\python39-32) 3. Python version C:\Dev> python --version (or python -V) Python 3.9.4 mkdir venv 4. Virtual environment directory move C:\Dev> cd venv 5. com..

matplotlib 실행 시 한글 깨짐 오류 메시지 --------------------------------------------------------------------------------------------------------------------------------- findfont: Font family ['san-serif'] not found. Falling back to DejaVu Sans. /home/user/.local/lib/python3.8/site-packages/matplotlib/backends/backend_agg.py:240: RuntimeWarning: Glyph 51064 missing from current font. font.set_text(s, 0.0, ..

conda update conda anaconda conda python or conda update --all

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