My vimrc

.vimrc

set number
set linebreak
set showbreak=+++
set textwidth=100
set showmatch
set visualbell
 
set hlsearch
set smartcase
set ignorecase
set incsearch
 
set autoindent
set shiftwidth=4
set smartindent
set smarttab
set softtabstop=4
 
set ruler
 
set undolevels=1000
set backspace=indent,eol,start

if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

call plug#begin('~/.vim/plugged')

Plug 'tpope/vim-sensible'
Plug 'ervandew/supertab'
Plug 'flazz/vim-colorschemes'
Plug 'Valloric/YouCompleteMe'
Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'
Plug 'python-mode/python-mode'
Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }

call plug#end()

colorscheme molokai
set guifont=Monaco:h12

" make YCM compatible with UltiSnips (using supertab)
let g:ycm_key_list_select_completion = ['<C-n>', '<Down>']
let g:ycm_key_list_previous_completion = ['<C-p>', '<Up>']
let g:SuperTabDefaultCompletionType = '<C-n>'

" better key bindings for UltiSnipsExpandTrigger
let g:UltiSnipsExpandTrigger = "<tab>"
let g:UltiSnipsJumpForwardTrigger = "<tab>"
let g:UltiSnipsJumpBackwardTrigger = "<s-tab>"
let g:ycm_python_binary_path = 'python'

let g:ycm_keep_logfiles = 1
let g:ycm_log_level = 'debug'

map <C-n> :NERDTreeToggle<CR>