[PYTHON] Install pip, pyenv, BeautifulSoup4

$ wget https://bootstrap.pypa.io/get-pip.py
$ python get-pip.py

$ git clone https://github.com/yyuu/pyenv.git ~/.pyenv

export PYENV_ROOT="$HOME/.pyenv"
export PATH="$PYENV_ROOT/bin:$PATH"
eval "$(pyenv init -)"

$ source ~/.bashrc

$ pyenv --version
pyenv 1.0.10-24-gacbd736

# show installable version list
$ pyenv install --list
...
  stackless-3.3.5
  stackless-3.4.1
  stackless-3.4.2

# install specific version from the installable version list
$ pyenv install {version}

# set the version as global
$ pyenv global {version}

$ pyenv version
{version} (set by /home/uorat/.pyenv/version)

# make sure the python version
$ python -V
Python {version}

$ pip install beautifulsoup4

$ python
>>> from bs4 import BeautifulSoup

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