ee1e8abd87
* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
543 B
543 B
id, challengeType, videoId, dashedName
| id | challengeType | videoId | dashedName |
|---|---|---|---|
| 5e9a0a8e09c5df3cc3600ed4 | 11 | v-7Y7koJ_N0 | accessing-and-changing-elements-rows-columns |
--question--
--text--
What code would change the values in the 3rd column of both of the following Numpy arrays to 20?
a = np.array([[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]])
# Output:
# [[ 1 2 20 4 5]
# [ 6 7 20 9 10]]
--answers--
a[:, 3] = 20
a[2, :] = 20
a[:, 2] = 20
a[1, 2] = 20
--video-solution--
3