Найдите первое появление элемента в списке в Python
next(obj for obj in objs if obj.val == 5)
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next(obj for obj in objs if obj.val == 5)#iterate through list
for item in yourlist:
#if item is equal to a value
if item == 'value':
#store the item in a variable
yourvar = item
#break out of loop
breaknext(obj for obj in objs if obj.val==5)