added algo for finding permutations of an array #7614
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ChrisO345
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Oct 26, 2022
Co-authored-by: Chris O <46587501+ChrisO345@users.noreply.github.com>
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cclauss
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Oct 26, 2022
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Please merge this pr as all checks have passed. |
CaedenPH
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Oct 26, 2022
dhruvmanila
previously requested changes
Oct 26, 2022
| @@ -0,0 +1,31 @@ | |||
| from itertools import permutations | |||
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If this is not being used in the module, please remove it. I see it's just used in the if __name__ == ... block, add it there instead.
| """ | ||
| >>> from itertools import permutations | ||
| >>> numbers= [1,2,3] | ||
| >>> all(list(nums) in permute(numbers) for nums in permutations(numbers)) |
Comment on lines
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+16
| for _ in range(len(nums)): | ||
| n = nums.pop(0) |
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Suggested change
| for _ in range(len(nums)): | |
| n = nums.pop(0) | |
| for n in nums: |
I think you just want to loop over each element in the array?
| for perm in permutations: | ||
| perm.append(n) | ||
| result.extend(permutations) | ||
| nums.append(n) |
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You're mutating the input in-place! That is a very bad idea. The function is returning the result, so why are you mutating the input?
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ChrisO345
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|
@rajansh87 Once you commit the last changed that dhruv suggested, your pull request will be ready for merge |
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Fixes: #{$ISSUE_NO}.