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May 28, 2024 05:49
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# https://more-itertools.readthedocs.io/en/stable/index.html | |
list(chunked([1, 2, 3, 4, 5, 6, 7, 8], 3)) | |
# [[1, 2, 3], [4, 5, 6], [7, 8]] | |
group_1, group_2 = distribute(2, [1, 2, 3, 4, 5, 6]) | |
list(group_1) # [1, 3, 5] | |
list(group_2) # [2, 4, 6] | |
children = divide(3, [1, 2, 3, 4, 5, 6, 7]) | |
[list(c) for c in children] | |
# [[1, 2, 3], [4, 5], [6, 7]] | |
list(split_at('abcdcba', lambda x: x == 'b')) | |
# [['a'], ['c', 'd', 'c'], ['a']] | |
iterable = [('a', 1), ('b', 2), ('c', 3), ('d', 4)] | |
letters, numbers = unzip(iterable) | |
list(letters) # ['a', 'b', 'c', 'd'] | |
list(numbers) # [1, 2, 3, 4] | |
all_windows = windowed([1, 2, 3, 4, 5], 3) | |
list(all_windows) | |
# [(1, 2, 3), (2, 3, 4), (3, 4, 5)] | |
list(windowed([1, 2, 3, 4, 5, 6], 3, fillvalue='!', step=2)) | |
# [(1, 2, 3), (3, 4, 5), (5, 6, '!')] | |
[''.join(s) for s in substrings('more')] | |
# ['m', 'o', 'r', 'e', 'mo', 'or', 're', 'mor', 'ore', 'more'] | |
for item in substrings_indexes('more'): | |
print(item) | |
# ('m', 0, 1) | |
# ('o', 1, 2) | |
# ('r', 2, 3) | |
# ('e', 3, 4) | |
# ('mo', 0, 2) | |
# ('or', 1, 3) | |
# ('re', 2, 4) | |
# ('mor', 0, 3) | |
# ('ore', 1, 4) | |
# ('more', 0, 4) | |
iterable = [(1, 2), ([3, 4], [[5], [6]])] | |
list(collapse(iterable)) | |
# [1, 2, 3, 4, 5, 6] | |
list(partial_product('AB', 'C', 'DEF')) | |
# [('A', 'C', 'D'), ('B', 'C', 'D'), ('B', 'C', 'E'), ('B', 'C', 'F')] | |
uncompressed = 'abbcccdddd' | |
list(run_length.encode(uncompressed)) | |
# [('a', 1), ('b', 2), ('c', 3), ('d', 4)] | |
compressed = [('a', 1), ('b', 2), ('c', 3), ('d', 4)] | |
list(run_length.decode(compressed)) | |
# ['a', 'b', 'b', 'c', 'c', 'c', 'd', 'd', 'd', 'd'] | |
is_sorted(['1', '2', '3', '4', '5'], key=int) # True | |
is_sorted([5, 4, 3, 1, 2], reverse=True) # False | |
all_unique('ABCB') # False | |
minmax([3, 1, 5]) # (1, 5) | |
obj = (1, 2, 3) | |
list(always_iterable(obj)) | |
# [1, 2, 3] | |
obj = {'a': 1} | |
list(always_iterable(obj)) # Iterate over the dict's keys | |
# ['a'] | |
list(always_iterable(obj, base_type=dict)) # Treat dicts as a unit | |
# [{'a': 1}] | |
from time import sleep | |
def generator(): | |
yield 1 | |
yield 2 | |
sleep(0.2) | |
yield 3 | |
iterable = time_limited(0.1, generator()) | |
list(iterable) # [1, 2] | |
iterable.timed_out # True |
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