Given:
>>> d = {'a': 1, 'b': 2}
Which of the following is the best way to check if 'a'
is in d
?
>>> 'a' in d True
>>> d.has_key('a') True
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Answer
in
is definitely more pythonic.
In fact has_key()
was removed in Python 3.x.
Given:
>>> d = {'a': 1, 'b': 2}
Which of the following is the best way to check if 'a'
is in d
?
>>> 'a' in d True
>>> d.has_key('a') True
in
is definitely more pythonic.
In fact has_key()
was removed in Python 3.x.