My default python is 2.7 and I want python 3.7 along with it:

  1. Go to opt directory $ cd /opt
  2. Create a directory $ mkdir python3
  3. Download Python 3.7 $ wget
  4. Extract the python 3.7 tar file $ tar xzf Python-3.7.4.tgz
  5. To compile the source go to $ cd Python-3.7.4
  6. To get release build with all stable optimizations active (PGO, etc), execute $ sudo ./configure --enable-optimizations Inside Python-3.7.4 directory
  7. To prevent replacing of default python binary file /usr/bin/python, use $ sudo make altinstall
  8. To confirm the installation use $ python3.7 –version and which python3.7

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