# yum安装
yum install -y python3 python3-devel
# 编辑YUM
[root@www ~]# cat /usr/bin/yum
#!/usr/bin/python2.7
# 升级PIP
[root@www ~]# pip3 install --upgrade pip
# yum安装
yum install -y python3 python3-devel
# 编辑YUM
[root@www ~]# cat /usr/bin/yum
#!/usr/bin/python2.7
# 升级PIP
[root@www ~]# pip3 install --upgrade pip