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3. python basics python3 is not installed in MAC OSX

Listing basic python related basic operations. 1. Confirming version $ python --version Python 2.7.10 2. Checking if python3 is installed $ python3 -bash: python3: command not found 3. Searching python in brew. I will be working with python2 without upgrading python3. there are so many compatibility issues reported. $ brew search python ==> Searching local taps... app-engine-python gst-python micropython python3 boost-python ipython python wxpython boost-python@1.59 ipython@5 python-markdown zpython ==> Searching taps on GitHub... caskroom/cask/kk7ds-python-runtime caskroom/cask/awips-python caskroom/cask/mysql-connector-python ==> Searching blacklisted, migrated and deleted formulae... $ 3. Still working with python2 without upgrading python3. there are so many compatibility issues reported. $ brew Reference:  https://qiita.com/7110/items/1aa5968022373e99ae28
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4. Installing Node.js for Node-Red

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I'd like to use Node-RED . Node-RED is required to have node.js beforehand. 1.        Installing node.js. npm( Node Packaged Module of Node.js package manager ) tool is also installed with node.js.  2.        Installing Node-RED ( Node-RED をインストールする:  https://qiita.com/egplnt/items/cf79f49660f2df1c54cc ) 1.   Installing node.js In this page, node.js is installed. node.js is brought through nodebrew. So nodebrew is installed here. $ brew install nodebrew Updating Homebrew... ==> Auto-updated Homebrew! Updated 1 tap (homebrew/core). ==> New Formulae asciidoctor                 go-jira                     msgpuck asciidoctorj          ...
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