Suppose i have this list:
>>> a = [['cat',2],['cat',5],['cat',9],['dog',6]]
>>> a
[['cat', 2], ['cat', 5], ['cat', 9], ['dog', 6]]
Now, there is a nice way to obtain the value 9.
>>> z = dict(a)
>>> z
{'dog': 6, 'cat': 9}
Is there any elegant way to extract the value 2? (Value corresponding to the
first occurence of 'cat' in the 2-D list).
Thanks,
Vikram
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