15 步:让我们更改拖入编辑器的最后一行代码!

当我们将一个string乘以一个整数时,新字符串就是原字符串重复了一定次数。例如: "Hello!" * 4等于"Hello!Hello!Hello!Hello!" .

  • =符号左侧的变量从 my_var 更改为my_var hidden_response
  • 然后,改变"Hello!""-"4var_length

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