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December 14, 2015 16:59
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slightly crazy universal base encoder (number to alphabet)
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| BASE_ALPHABET = "123456789abcdefghijkmnopqrstuvwxyz" | |
| def encode_base_x(n): | |
| base = len(BASE_ALPHABET) | |
| def chars(num): | |
| while num >= base: | |
| num, mod = divmod(num, base) | |
| yield BASE_ALPHABET[mod] | |
| yield BASE_ALPHABET[num] | |
| return "".join(chars(n)) |
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