28 lines
535 B
Python
28 lines
535 B
Python
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import random
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def generate_records(n):
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records = [(f"User_{i:05d}", f"252-{i:05d}") for i in range(n)]
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return records
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def shuffle_records(records):
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shuffled = records[:]
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random.shuffle(shuffled)
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return shuffled
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def sort_records(records):
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sorted_records = sorted(records)
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return sorted_records
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def sample_existing(records, k):
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names = [name for name, _ in random.sample(records, k)]
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return names
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def sample_nonexistent(k):
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ghosts = [f"None_{i:05d}" for i in range(k)]
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return ghosts
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