how to select an object from a list of objects by its attribute in python

Question

Apologies if this question has already been asked but I do not think I know the correct terminology to search for an appropriate solution through google.

I would like to

Answer 1

Try

dave = next(person for person in a.pList if person.num == 123)

or

for person in a.pList:
    if person.num == 123:
        break
else:
    print "Not found."
dave = person