Input a string: The quick brown fox jumps over the lazy dog. TThe quick brown fox jumps over the lazy dog.T Code: import   'dart:io' ; void   main () {   stdout. write ( 'Input string : ' );    String  word = stdin. readLineSync ();    String  result;   result = word[ 0 ] + word + word[ 0 ];    print (result); } Output:
 
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