我E: Couldn't find any package by glob 'Python-3.7.0'在 Ubuntu 16.04 中尝试安装 Python 3.7 时收到错误消息
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:~$
答案1
在 Ubuntu 16.04 中打开终端并输入：
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt install python3.7
或者您也可以使用以下命令在 Ubuntu 16.04 中安装 Python3.8：
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt install python3.8
类似地，您可以在 Ubuntu 18.04、20.04 和 22.04 中从 ppa:deadsnakes/ppa 安装 Python3.9。
要显示 Python 3.7 版本，请运行以下命令：
python3.7 -V
要启动 Python 3.7 解释器，请运行以下命令：
python3.7
要退出 Python 3.x 解释器，请运行以下命令：
exit