Python3.7 install from source under Ubuntu 18.04

gistfile1.txt

# following script will comiple and install Python3.7.1 for Ubuntu 18.04  
# the new python version will appear as "python3.7" and "pip3.7"  
#   

sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev libffi-dev  
  
cd /usr/src  
wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz  
tar xvf Python-3.7.1.tgz  
cd Python-3.7.1  
./configure --enable-optimizations  
make test  
make altinstall