TAXES_RATE = 1.2
init_price = input("Price without taxes:")
price = init_price * TAXES_RATE

# Statements that may raise an exception
try:
    TAXES_RATE = 1.2
    #convert input to int if possible
    init_price = int(input("Price without taxes:"))
    price = init_price * TAXES_RATE

# Capture an exception of type TypeError to handle it
except TypeError as e:
    print(e)

# Continue the execution of the program here

raise NameError('Unexpected behavior')

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: Unexpected behavior

def euclidean_division (a: int, b: int) -> int:

    # This assertion will fail when a division by 0 is attempted
    assert b != 0, "Division by zero"

    # If we pass all assertions, we are fine
    return a // b

def inverse_capitalization (word: str) -> str:
    result = []
    for char in word:
        result.append(char.lower() if char.isupper() else char.upper())
    return ''.join(result)

# Import the function to test
from my_functions import inverse_capitalization
import unittest

# Define a Unittest class
class TestMyFunctions (unittest.TestCase):

    # Good practice is to define one method per function to test
    def test_inverse_capitalization (self):
        self.assertEqual("hello!", inverse_capitalization("HELLO!"))
    
    # ...

# Start the tests
if __name__ == "__main__":
    unittest.main()

def inverse_capitalization (word: str) -> str:

    """
        Inverse the capitalization of a word.
        It consists in iterating over the characters of the word and for each character, inverting its capitalization.
        That is, if a letter is uppercase, it will be transformed to lowercase and vice-versa.
        In:
            * word: A word to inverse the capitalization.
        Out:
            * The word with the capitalization inversed 
    """

    # Temporary list to store the result
    result = []

    # Process character by character to reverse lowercase and uppercase
    for char in word:
        result.append(char.lower() if char.isupper() else char.upper())
    
    # Make a string out of the result list
    return "".join(result)