#162. 字符串三倍复制
字符串三倍复制
String Triple Copy
Background
Congcong is learning string manipulation. He encountered an interesting task that requires performing a specific transformation on a list of strings.
Problem Description
Given a list of strings, return a list where each string is replaced by 3 copies of the string concatenated together.
Input Format
Input is given from standard input in the following format.
A single line containing several strings, separated by spaces.
Output Format
Output is printed to standard output in the following format.
A single line containing a JSON array of strings. Each string in the array is the result of concatenating the corresponding input string three times.
Sample
"a" "bb" "ccc"
["aaa\