Debian9如何安装python3.7

1.apt-get update，输入该命令按回车键

2.输入该命令按回车键：

apt-get install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev wget -y

3.curl -O https://www.python.org/ftp/python/3.7.3/Python-3.7.3.tar.xz，输入该命令按回车键

4.tar -xf Python-3.7.3.tar.xz，输入该命令按回车键

5.cd Python-3.7.3，输入该命令按回车键

6../configure --enable-optimizations，输入该命令按回车键

7.make -j 8，输入该命令按回车键

8.make altinstall，输入该命令按回车键

9.python3.7 -V，输入该命令按回车键查看已安装好