Installing Python 3, Numpy, and Scipy (macOS) (Option 1)

  1. Open the terminal app.
  2. Install Xcode Command Line Tools by entering the following command: xcode-select --install.
  3. Install the Homebrew package manager by copy-pasting the following into the terminal
    /usr/bin/ruby -e "$(curl -fsSL".
    This allows you to install Python 3 from the terminal.
  4. Install Python 3 by entering the following into the terminal: brew install python3
  5. Check to see if Python 3 installed properly by entering the following into the terminal: python3 --version.
    It should return Python 3.7.2.
  6. Enter in the terminal
    python3 -m pip install numpy scipy
  7. Change the directory/path in terminal to the folder that contains the python file you'd like to run (e.g. by entering cd (Drag folder icon into terminal)).
  8. Enter into the terminal python3 to run your code.

Installing Python 3, Numpy, Scipy (macOS) (Option 2)

  1. Open download and install MacPorts
  2. Open a Terminal
  3. xcode-select --install
  4. sudo port install python37 py37-numpy py37-scipy py37-gnureadline py37-tkinter

Installing Python 3, Numpy, and Scipy (Windows)

The following steps assume you're using Windows 10 and Microsoft VS Code, the text editor that we use in class. Please email the CS Dept. Windows Support Person Ethan Seal to troubleshoot problems.
  1. Download and install Microsoft VS Code.
  2. Install the Python extension if you'd like syntax coloring.
  3. Download Python 3.7 and run the installer.
  4. Make sure the last checkbox is checked: "Add Python 3.7 to PATH".
  5. Click "Install Now" at the top.
  6. Press WinKey+R to open the Run box.
  7. Type cmd and enter.
  8. Type python --version and it should print Python 3.7.2. If it doesn't, something went wrong.
  9. Install pip. Download, navigate to the download directory in the command prompt, run python
  10. Install Numpy and Scipy. Run python -m pip install --user numpy scipy
  11. Open Microsoft VS Code.
  12. Open the python file you'd like to run.
  13. On the bottom left corner of the Microsoft VS Code editor window, if you see "Select Python Environment", click it and select Python 3.7 that you installed. If you do not see "Select Python Environment", follow the instructions here. After this step, you should see "Python 3.7.2" on the lower-left corner of the VS Code editor window.
  14. If you see a box on the lower-right with a message "Linter pylint is not installed", click "Do not show again"
  15. Press control+` to open the built-in terminal.
  16. Navigate in the terminal to the python (.py) file that you'd like to run (e.g. using cd).
  17. Run your python code with python

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