行的开头空4个空格，表示程序代码，例如：C#://这里显示一些代码，在正文显示中会自动识别语言，进行代码染色，这是一段C#代码publicclassBlog{publicintId{get;set;}publicstringSubject{get;set;}}Python:keywords=["dsaa","Asd","sadc","Gdfd","gdfdd","gaf","gabdddddd","eg"]printdict([(i[0],list(i[1]))foriingroupby(sorted(keywords),lambdax:x[0].lower())])Javascript:/**
* nth element in the fibonacci series.
* @param n >= 0
* @return the nth element, >= 0.
*/functionfib(n){vara=1,b=1;vartmp;while(--n>=0){tmp=a;a+=b;b=tmp;}returna;}document.write(fib(10));
