2023-08-26 10:19:00 +00:00
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import re
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def mask_number(number):
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number_str = str(number)
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2024-05-04 14:47:44 +00:00
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masked_number = None
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2024-07-04 11:09:48 +00:00
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if len(number_str) == 8:
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masked_number = re.sub(r"(\d{2})(\d{3})(\d{3})", r"\1***\3", number_str)
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2023-08-26 10:19:00 +00:00
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if len(number_str) == 9:
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masked_number = re.sub(r"(\d{2})(\d{4})(\d{3})", r"\1****\3", number_str)
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2024-05-04 14:47:44 +00:00
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if len(number_str) == 10:
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masked_number = re.sub(r"(\d{3})(\d{4})(\d{3})", r"\1****\3", number_str)
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if masked_number:
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2023-08-26 10:19:00 +00:00
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return masked_number
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return "Invalid input"
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