CODEWITHSUNDEEP
python
user308827
user308827

Reputation: 22021

Range on day of year

Is there a python function which works well with day of year?

e.g. if I do range (200, 210) it will work fine. However if I do range (350, 10), I want the values from 350 to 365 and then from 1 to 9. How do I do that?

I want a soln which works for both range(200, 210) and range (350, 10)

Upvotes: 0

Views: 48

Answers (1)

Selcuk
Selcuk

Reputation: 59425

You can use modular arithmetic:

for i in range(350, 365+10):
    print((i - 1) % 365 + 1)

That being said this is not the best way to implement this as not all years are 365 days.

Edit: You can also create your own generator:

def yearrange(start, stop):
    if stop < start:
        stop += 365
    i = start
    while i < stop:
        yield (i - 1) % 365 + 1
        i += 1

then you can simply do:

>>> print(list(yearrange(200, 210)))
[200, 201, 202, 203, 204, 205, 206, 207, 208, 209]

>>> print(list(yearrange(350, 10)))
[350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 1, 2, 3, 4, 5, 6, 7, 8, 9]

Upvotes: 3

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