python get unique pairs from two lists
# note: this works for two list only
from itertools import product
l1 = [1,2,3]
l2 = [4,5,6] # works if the second list has a different lenght too
product(l1, l2)
>>> <itertools.product object at 0x7f1539c89af0>
list(product(l1, l2))
>>> [(1, 4), (1, 5), (1, 6),
(2, 4), (2, 5), (2, 6),
(3, 4), (3, 5), (3, 6)]python all possible pairs
list(itertools.combinations(iterable, r))
Return r length subsequences of elements from the input iterable.
Combinations are emitted in lexicographic sort order.
So, if the input iterable is sorted,
the combination tuples will be produced in sorted ordeCopyright © 2021 Codeinu
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