I got a E: Couldn't find any package by glob 'Python-3.7.0' error message when trying to install Python 3.7 in Ubuntu 16.04
ns3@ns3-virtual-machine:~$ sudo apt install Python-3.7.0 Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package Python-3.7.0 E: Couldn't find any package by glob 'Python-3.7.0' E: Couldn't find any package by regex 'Python-3.7.0' ns3@ns3-virtual-machine:~$ sudo apt install Python-3.7 Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package Python-3.7 E: Couldn't find any package by glob 'Python-3.7' E: Couldn't find any package by regex 'Python-3.7' ns3@ns3-virtual-machine:~$ sudo apt install python3 Reading package lists... Done Building dependency tree Reading state information... Done python3 is already the newest version (3.5.1-3). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. ns3@ns3-virtual-machine:~$ python --version Python 2.7.12 ns3@ns3-virtual-machine:~$ apt policy python-3.7 N: Unable to locate package python-3.7 N: Couldn't find any package by glob 'python-3.7' N: Couldn't find any package by regex 'python-3.7 ns3@ns3-virtual-machine:~$ 1 Answer
In Ubuntu 16.04 open the terminal and type:
sudo add-apt-repository ppa:deadsnakes/ppa sudo apt-get update sudo apt install python3.7 Alternatively you can also install Python3.8 in Ubuntu 16.04 with the following commands:
sudo add-apt-repository ppa:deadsnakes/ppa sudo apt-get update sudo apt install python3.8 To show the Python 3.7 version run the following command:
python3.7 -V To start the Python 3.7 interpreter run the following command:
python3.7 To exit the Python 3.x interpreter run the following command:
exit 
