Shorter way to write a Python for loop

0 votes
Is there a shorter way to write this in Python? Here d is a python dictionary and a is a numpy array.

i = 0
for b in a:
    d[b] = a[:,i]
    i += 1
Jan 17, 2019 in Python by ana1504.k
• 7,910 points
905 views

1 answer to this question.

0 votes
You can use the enumerate iterator:

for i, b in enumerate(a):
    d[b] = a[:,i]
And since you're going into a dict, you can do this:

d.update((b, a[:,i]) for i, b in enumerate(a))
answered Jan 17, 2019 by SDeb
• 13,300 points

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