Hints

You can use the following slice operations to solve the exercise:

• Prepends "value" to the slice:

  slice = append([]string{"value"}, slice...)
  

• Appends some part (N to M) of the same slice to itself:

  slice = append(slice, slice[N:M]...)
  

• Copies the last part of the slice starting from M to the first part of the slice until N:

  slice = append(slice[:N], slice[M:]...)
  

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go main