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    "# Rotate an array of n elements to the right by k steps.\n",
    "# For example, with n = 7 and k = 3,\n",
    "# the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,4].\n",
    "# Note:\n",
    "# Try to come up as many solutions as you can,\n",
    "# there are at least 3 different ways to solve this problem."
   ]
  }
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