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iamevn/generate_ranges.py

Created July 16, 2020 18:11
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generate_ranges.py
def generate_ranges(lower, upper, count, pre=None):
if pre is None:
pre = []
if count > 1:
for i in range(lower, upper):
yield from generate_ranges(lower, upper, count - 1, pre + [i])
elif count == 1:
for i in range(lower, upper):
yield pre + [i]
else:
raise ValueError, "count must be >= 1"
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