Pls with ALGORITHM LAB Problem

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#1

PROBLEM:

Create a function called binary_converter. Inside the function, implement an algorithm to convert decimal numbers between 0 and 255 to their binary equivalents.

For any invalid input, return string Invalid input

Example: For number 5 return string 101

TEST CASE:

import unittest

class BinaryConverterTestCases(unittest.TestCase):
  def test_conversion_one(self):
    result = binary_converter(0)
    self.assertEqual(result, '0', msg='Invalid conversion')

  def test_conversion_two(self):
    result = binary_converter(62)
    self.assertEqual(result, '111110', msg='Invalid conversion')

  def test_no_negative_numbers(self):
    result = binary_converter(-1)
    self.assertEqual(result, 'Invalid input', msg='Input below 0 not allowed')

  def test_no_numbers_above_255(self):
    result = binary_converter(300)
    self.assertEqual(result, 'Invalid input', msg='Input above 255 not allowed')

MY SOLUTION:

def binary_converter(number_to_convert):
    integer_division_result = 0
    modulus_division_result=0
    binary_divisor = 2
    result = []
    convertion=''
    try:

        assert (type(number_to_convert) is int),""
   
        if number_to_convert == 0:
            return str(number_to_convert)

        elif number_to_convert < 0:
            return "Invalid input"

        elif number_to_convert > 255:
            return "Invalid input"
    
        else:
            integer_division_result=number_to_convert//binary_divisor
            modulus_division_result=number_to_convert % binary_divisor
            result.insert(0,modulus_division_result)

            while integer_division_result > 0:
                number_to_convert = integer_division_result
                integer_division_result=number_to_convert//binary_divisor 
                modulus_division_result=number_to_convert % binary_divisor
                result.insert(0,modulus_division_result)
    
            for binary_digit in result:
                convertion += str(binary_digit)
        
            return convertion
        
    except AssertionError:
        return "Invalid input"

FEED BACK:
I KEEP GETTING ERROR IN YOUR CODE MSG!

#2

So… what is the error message?

#3