chouqin

\documentclass[$if(fontsize)$$fontsize$,$endif$$if(lang)$$lang$,$endif$$if(papersize)$$papersize$,$endif$]{$documentclass$}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage{amssymb,amsmath}
\usepackage{euler}
\usepackage{ifxetex,ifluatex}
\usepackage{fixltx2e} % provides \textsubscript
% use microtype if available
\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
  \IfFileExists{microtype.sty}{\usepackage{microtype}}{}

chouqin

from bson.code import Code
from bson.son import SON


def get_user_num_group_by_region_id():
    map = Code("\
            function () {\
                emit({region_id : this.region_id, phone: this.phone}, 1);\
            }\
            ")