next((x for x in test_list if x.value == value), None)
This gets the first item from the list that matches the condition, and returns None
if no item matches. It’s my preferred single-expression form.
However,
for x in test_list: if x.value == value: print("i found it!") break
The naive loop-break version, is perfectly Pythonic — it’s concise, clear, and efficient. To make it match the behavior of the one-liner:
for x in test_list: if x.value == value: print("i found it!") break else: x = None
This will assign None
to x
if you don’t break
out of the loop.
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