linux python -m 创建和使用虚拟环境
参照:https://docs.python.org/3/library/venv.html
python -m venv /path/to/new/virtual/environment
source /path/to/new/virtual/environment/bin/activate
参照:https://docs.python.org/3/library/venv.html
python -m venv /path/to/new/virtual/environment
source /path/to/new/virtual/environment/bin/activate