Problem1276--字符串镜像

1276: 字符串镜像

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 262  Solved: 156
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Description

输入字符串
输出字符串与它自己的镜像字符串拼接后的结果

Input

abcd

Output

abcddcba

Source/Category

 

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