How to concatenate two parts of an array to make a new array

Question

Here I need to get a 2D array

.container:hover > div.info > .sigma

I need to get a 2D array of 6 rows by 4 columns.

Answer 1

update ul
set university_id = u.id
from 
  university u inner join university_list ul on ul.name = u.university_name 

Or

np.concatenate((x[0:3,:], y[0:3,:]), axis=0)

Answer 2

最简洁的解决方案可能是

DataBodyRange.ClearContents

（最简洁的解决方案不一定是最易读的解决方案。）