如何每次更換一個字符重複一次字符串N次？

Question

我可以用這個語句

print "(","arr[0],"x35,")"; 

它打印(arr[0],arr[0],...,arr[0],)

但如何獲取輸出如下

(arr[0],arr[1],...,arr[34]) 

即重複的字符串;每次打印字符串時，都應該用0,1,2，...替換0 0，34

Answer 1

print '(', join(',', map { "arr[$_]" } 0..34), ')', "\n";