practice 3-2:Write a function escape(s,t),copy string t to string s,and display some invisable charactor like '\n' '\t' and so on,make them visable,with switch sentence grammer.Then write another function which has a opposite affect,that is to turn those charactor to be invisable.practice 3-2:Write a function escape(s,t),copy
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2014年05月15日
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