2023-07-01 11:58:00 -04:00
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F cusip_check(=cusip)
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I cusip.len != 9
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2024-04-19 16:56:29 -07:00
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X.throw ValueError(‘CUSIP must be 9 characters’)
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2023-07-01 11:58:00 -04:00
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cusip = cusip.uppercase()
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V total = 0
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2026-02-01 16:33:20 -08:00
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L(i) 0.<8
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2023-07-01 11:58:00 -04:00
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V v = 0
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V c = cusip[i]
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I c.is_digit()
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v = Int(c)
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E I c.is_alpha()
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V p = c.code - ‘A’.code + 1
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v = p + 9
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E I c == ‘*’
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v = 36
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E I c == ‘@’
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v = 37
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E I c == ‘#’
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v = 38
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I i % 2 != 0
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v *= 2
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total += v I/ 10 + v % 10
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V check = (10 - (total % 10)) % 10
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R String(check) == cusip.last
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V codes = [‘037833100’,
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‘17275R102’,
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‘38259P508’,
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‘594918104’,
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‘68389X106’,
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‘68389X105’]
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L(code) codes
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print(code‘: ’(I cusip_check(code) {‘valid’} E ‘invalid’))
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