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import uuid
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base62alp = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
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def base62uuid(crop=8):
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id = uuid.uuid4().int
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ret = ''
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while id:
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ret = base62alp[id % 62] + ret
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id //= 62
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return ret[:crop] if len(ret) else '0'
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def enlist(l):
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return l if type(l) is list else [l]
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def seps(s, i, l):
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return s if i < len(l) - 1 else ''
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def has_other(a, b):
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for ai in a:
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if ai not in b:
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return True
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return False
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