Let me show

Installation

For this awesome features you should use the marvelous library vim-pythonx and ultisnips.

Plug 'sirver/ultisnips'
    let g:UltiSnipsUsePythonVersion = 2

    let g:UltiSnipsSnippetDirectories = [
    \     $HOME . '/.vim/UltiSnips/',
    \     $HOME . '/.vim/bundle/snippets/'
    \]
    let g:UltiSnipsEnableSnipMate = 0

    augroup textwidth_for_snippets
        au!
        au FileType snippets set textwidth=999
    augroup end

Plug 'reconquest/vim-pythonx'
Plug 'reconquest/snippets'

Tricks

imap <C-F> t<TAB>.

Note about bugs

Please fire an github issues if you found a bugs in snippets.