class Solution(object):

def __init__(self, nums):

"""

:type nums: List[int]

"""

self.array = nums

self.mixup = self.array[:]

self.length = len(self.array)

"""

# Logic2

# combinations

import itertools

self.combinations = []

for comb in itertools.permutations(self.array[:], r=len(nums)):

self.combinations.append(comb)

self.length = len(self.combinations)

"""

def reset(self):

"""

Resets the array to its original configuration and return it.

:rtype: List[int]

"""

self.mixup = self.array[:]

return self.mixup

def shuffle(self):

"""

Returns a random shuffling of the array.

:rtype: List[int]

"""

# Logic 1

import random

if self.length > 0:

for i in range(self.length):

v = random.randint(0, self.length-1)

self.mixup[v], self.mixup[i] = self.mixup[i], self.mixup[v]

return self.mixup

#while self.mixup[:] == self.array[:]:

# self.mixup = self.mixup[v:]+self.mixup[:v] # Not enough randomness

"""

# Logic 2

if self.length > 0:

import random

v = random.randint(0, self.length-1)

self.mixup = self.combinations[v][:]

return self.mixup

"""

# Your Solution object will be instantiated and called as such:

#nums = [1,2,3]

#obj = Solution(nums)

#param_1 = obj.reset()

#param_2 = obj.shuffle()

#print param_1

#print param_2