You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
def permutations(nums):
    if len(nums) <=1:
        yield nums
    else:
        for perm in permutations(nums[1:]):
            for i in range(len(nums)):
                # nb elements[0:1] works in both string and list contexts
                yield perm[:i] + nums[0:1] + perm[i:]

# Driver program to test above
data = [1, 2, 3] 
for perm in list(permutations(data)): 
    print(perm)
user
[1, 2, 3]
[2, 1, 3]
[2, 3, 1]
[1, 3, 2]
[3, 1, 2]
[3, 2, 1]
assistant