anonymous
  • anonymous
Hi I have a question about Quiz 1 #5. Why do you need to insert the two lines at the bottom for the function to meet its specification? Check out my pastebin: http://pastebin.com/HJxRKWw0
MIT 6.00 Intro Computer Science (OCW)
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
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anonymous
  • anonymous
the problem is that when you set result = v1 both result and v1 refer to the same address in memory - if you modify result, you also modify v1, but you are told not to modify the inputs. to avoid doing this, a copy of v1 and v2 is made: v1 = v1[:] v2 = v2[:] these are assigned new addresses in memory distinct from the v1 and v2 in the function call addVectors(v1,v2). (this would be clearer had he given them new names - w1 = v1[:] but maybe that's his point...)
anonymous
  • anonymous
Thanks snark exactly what I was looking for.

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