Python去除String中的空格/换行/回车等
join:在序列中添加元素split: 将字符串分解成序列
两者为互逆方法
s = "as, asdas \r\nasda"
print s.split();
# result: ['as,', 'asdas', 'asda']
print "".join(s.split());
# result: as,asdasasda
l = "".join(s.split()).split(',');
print l;
# result: ['as', 'asdasasda']
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