new_contents: """
  Rotate Array
  Rotate an array of n elements to the right by k steps.
  For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,4].
  Note:
  Try to come up as many solutions as you can, there are at least 3 different ways to solve this problem. 
  """
  
  #First solution with slicing
  class Solution(object):
      def rotate(self, nums, k):
          """
          :type nums: List[int]
          :type k: int
          :rtype: void Do not return anything, modify nums in-place instead.
          """
          if len(nums)==1 or k==0: return
          k%=len(nums)
          temp=nums+nums[:len(nums)-k]
          nums[:]=temp[len(nums)-k:]
  
  #Second solution, another kind of slicing
  #Also slicing, shorter code
  class Solution(object):
      def rotate(self, nums, k):
          """
          :type nums: List[int]
          :type k: int
          :rtype: void Do not return anything, modify nums in-place instead.
          """
          if len(nums)==1 or k==0:
              return
          k%=len(nums)
          nums[:] = nums[-k:] + nums[:-k]
  
  #Third solution, with insert/pop
  class Solution(object):
      def rotate(self, nums, k):
          """
          :type nums: List[int]
          :type k: int
          :rtype: void Do not return anything, modify nums in-place instead.
          """
          if len(nums)==1 or k==0:
              return
          k%=len(nums)
          for i in range(k):
              nums.insert(0,nums.pop())
  
  
subject: Create RotateArray.py