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conversions/octal_to_binary.py
54 строки
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Bama Charan Chhandogi
Octal to Binary Convert (#8949)
20 авг 2023, 15:40
Не верифицирован
20 авг 2023, 15:40
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""" * Author: Bama Charan Chhandogi (https://github.com/BamaCharanChhandogi) * Description: Convert a Octal number to Binary. References for better understanding: https://en.wikipedia.org/wiki/Binary_number https://en.wikipedia.org/wiki/Octal """ def octal_to_binary(octal_number: str) -> str: """ Convert an Octal number to Binary. >>> octal_to_binary("17") '001111' >>> octal_to_binary("7") '111' >>> octal_to_binary("Av") Traceback (most recent call last): ... ValueError: Non-octal value was passed to the function >>> octal_to_binary("@#") Traceback (most recent call last): ... ValueError: Non-octal value was passed to the function >>> octal_to_binary("") Traceback (most recent call last): ... ValueError: Empty string was passed to the function """ if not octal_number: raise ValueError("Empty string was passed to the function") binary_number = "" octal_digits = "01234567" for digit in octal_number: if digit not in octal_digits: raise ValueError("Non-octal value was passed to the function") binary_digit = "" value = int(digit) for _ in range(3): binary_digit = str(value % 2) + binary_digit value //= 2 binary_number += binary_digit return binary_number if __name__ == "__main__": import doctest doctest.testmod()