centos7安装python3简单步骤

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#准备依赖

yum -y gcc
yum -y install zlib-devel

#下载源码

wget https://www.python.org/ftp/python/3.10.0/Python-3.10.0.tgz

#解压安装

tar -xvf Python-3.10.0.tgz
cd Python-3.10.0
./configure --prefix=/usr/local/python3
make && make install

#软连接

ln -s /usr/local/python3/bin/python3 /usr/local/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3

#查看安装后的版本号

python3 -V

#测试hello world

cat > hello.py << EOF
#!/usr/local/bin/python3

# -*- coding: utf8 -*-

print("hello world")

EOF
[testuser@localhost ~]$ /usr/local/bin/python3 hello.py 
hello world