32 lines
1,009 B
Python
32 lines
1,009 B
Python
def parse_ranges_v1(range_string):
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"""This version causes a memory error for huge ranges..."""
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ranges = [tuple(map(int, r.split("-"))) for r in range_string.split(",")]
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result = []
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for start, stop in ranges:
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result = [*result, *list(range(start, stop + 1))]
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for number in result:
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yield number
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def parse_ranges_v2(range_string):
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"""This version seems more memory efficient."""
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ranges = [tuple(map(int, r.split("-"))) for r in range_string.split(",")]
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for start, stop in ranges:
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for number in range(start, stop + 1):
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yield number
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def parse_ranges_v3(range_string):
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"""This version handles single digits, Bonus2."""
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ranges = [tuple(map(int, r.split("-"))) for r in range_string.split(",")]
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for limits in ranges:
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if len(limits) == 1:
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yield limits[0]
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else:
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start, stop = limits
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for number in range(start, stop + 1):
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yield number
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parse_ranges = parse_ranges_v3
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