def check(*args):
Columnar or ortholinear keyboards stack the keys in orderly columns, often with rows that are not linear. Proponents claim this makes the keys easier to reach. Whether that’s true will be up to your fingers to decide, but I can say for certain that if you learned to type on a staggered keyboard, switching to a columnar layout is tough. It will take days, possibly weeks before you instinctively hit the C key. The N, M and B keys don’t fare much better.
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（四）故意制作、传播计算机病毒等破坏性程序的；
龙先生告诉记者，他是陕西西安人，父亲曾是当地一所大学的教授，母亲也是学校职工。1998年，龙先生入职深圳一家大型软件公司，主要从事软件加密防止盗版工作，是一名典型的“技术男”。20多年前，龙先生把母亲接到深圳一起居住。