Python/conversions/octal_to_binary.py
Bama Charan Chhandogi 062957ef27
Octal to Binary Convert (#8949)
* Octal to Binary Convert

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* mention return type

* code scratch

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* mentioned return type

* remove comment

* added documention and some test cases

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* add another test case

* fixes documention

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Documention and test cases added

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* documention problem solved

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* error in exit 1

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Apply suggestions from code review

---------

Co-authored-by: BamaCharanChhandogi <b.c.chhandogi@gmailcom>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Tianyi Zheng <tianyizheng02@gmail.com>
2023-08-20 05:40:23 -07:00

55 lines
1.4 KiB
Python

"""
* 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()