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![Michael Akamihe](https://secure.gravatar.com/avatar/2f3cb68d8d0e476ad99fca64bac46cf5?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Michael Akamihe
767 PointsReinforce
Isn't taco_joints.copy() a copy of a copy. Does that mean that taco_joints can be iterated on with no unexpected results?
1 Answer
![Josh Keenan](https://secure.gravatar.com/avatar/d0419723c8add3c25619f65ab04909c9?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Josh Keenan
19,662 PointsIt means that no matter what you do the original list will stay the same and not be affected by any operations you carry out. So you can iterate over it without changing anything of the original copy.