python - Numpy, getting data from column A or B depending if condition is met to create column C -


i have 2 columns of data in array 1 column of useful information. come different sources why in 2 columns.

what i'd take value first or second column, depending on if condition met. value inserted new column. new column useful information column 1 , 2. if condition not met in either column enters blank.

is there easy , efficient way in numpy?

here sample table:

name       gathered_name john       0 0          jack 0          0

and result like:

column3 john jack "" <--empty string

don't worry condition, have worked out regex handle that...assume in scenario, condition if != 0


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