py311-backcall

• If not done already, install MacPorts.
• To install py311-backcall, run the following command in macOS terminal (Applications->Utilities->Terminal)
  
  sudo port install py311-backcall Copy
• To see what files were installed by py311-backcall, run:
  
  port contents py311-backcall Copy
• To later upgrade py311-backcall, run:
  
  sudo port selfupdate && sudo port upgrade py311-backcall Copy

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