There are two CSV data, one for coordinate X and Y axis, and the other for which group belongs. The form of the data is as follows.
#coordinate CSV
x,y
126.9604, 37.55781
126.9729, 27.56278
126.9734, 37.56292
126.9797, 37.56395
126.8711, 37.56713
126.9934, 37.55459
126.9934, 37.55459
126.6453, 37.45654
126.9875, 37.45642
#Group number coordinate CSV
1
1
1
2
2
2
2
3
3
Through this data, I want to make coordinates with the same group number included in the same list. For example, below
[{126.9604, 37.55781}, {126.9729, 27.56278}, {126.9734, 37.56292}] #Group 1
[{126.9797, 37.56395}, {126.8711, 37.56713}, {126.9934, 37.55459}, {126.9934, 37.55459}] #2 group
[{126.6453, 37.45654}, {126.9875, 37.45642}] #3 group
How can I fill it out to reflect the group number? I beg you.
python list
I think it would be nice to use hash (dictionary in python).
I think you already know how to read csv, so I won't explain it separately. The group number should be set as a key, and the value of the key should be set as a list that stores coordinate values.
coordinates = [
[126.9604, 37.55781],
[126.9729, 27.56278],
[126.9734, 37.56292],
[126.9797, 37.56395],
[126.8711, 37.56713],
[126.9934, 37.55459],
[126.9934, 37.55459],
[126.6453, 37.45654],
[126.9875, 37.45642]
]
group_numbers= [
1,
1,
1,
2,
2,
2,
2,
3,
3
]
answer = {}
for group_number, coord in zip(group_numbers, coordinates):
try:
answer[group_number].append(coord)
except KeyError:
answer[group_number] = [coord]
print(answer)
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