前期安裝包

sudo yum -y update

sudo yum list kernel -y

sudo yum update -y kernel

sudo yum -y groupinstall "Development tools"

sudo yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel

sudo yum -y install libffi-devel

安裝3.7

1.?wget?https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tgz

2.?tar -zxvf Python-3.7.4.tgz

3.?cd Python-3.7.4

4.?./configure

5.?make

6. make test

7.?sudo make install

8.?測試，輸入python3.7

設置默認切換

?sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 100

sudo update-alternatives --install /usr/bin/python python /usr/local/bin/python3 200

切換命令：sudo update-alternatives --config python

總結

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