next(obj for obj in objs if obj.val == 5)
s = "the dude is a cool dude"
s.find('dude') # returns 4 - the first index of the first match in the string
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
break