class Solution(object):
def __init__(self, nums):
"""
:type nums: List[int]
:type size: int
"""
self.__nums=nums
def reset(self):
"""
Resets the array to its original configuration and return it.
:rtype: List[int]
"""
return self.__nums
def shuffle(self):
"""
Returns a random shuffling of the array.
:rtype: List[int]
"""
nums=list(self.__nums)
for i in xrange(len(nums)):
j=random.randint(i,len(nums)-1)
nums[i], nums[j] = nums[j] , nums[i]
return nums
# Your Solution object will be instantiated and called as such:
# obj = Solution(nums)
# param_1 = obj.reset()
# param_2 = obj.shuffle()
384. Shuffle an Array
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