avi_makes_lots_of_error.py

"""
Match the error with the function
a. TypeError
b. AttributeError
c. IndexError
d. ValueError  (error 1)
e. ZeroDivisionError
f. IndentationError

More error types:
https://www.tutorialsteacher.com/python/error-types-in-python
"""


def error_1():
    """
    ERROR TYPE: Value Error


    When the type expected is correct but the value of the variable is
    inappropriate.
    :return:
    """
    return int('xyz')


def error_2():
    """
    ERROR TYPE: Type Error

    Occurs when the data provided is the wrong type for the function.
    For example a function may want a string and instead an integer was provided.
    :return:
    """
    return '2' + 2


def error_3():
    """
    ERROR TYPE: ZeroDivison

    Happens when you divide by 0.
    :return:
    """
    return 42 / 0  # error!


def error_4():
    """
    ERROR TYPE: Attribute Error

    Occurs when an attribute isn’t present in a object, but is being used.
    :return:
    """

    class Tea:
        def __init__(self):
            self.water = 100 # ml

    t = Tea()
    print(t.water)  # works
    print(t.leaves)  # error!
    pass


def error_5():
    """
    ERROR TYPE: indentation

    When your indentation is inappropriate for the code you
    are writing.
    :return:
    """
    eval("""
        print(1)
    print(2)
    """)


def error_6():
    """
    ERROR TYPE: Index

    When you access a collection at an index that has yet to be initialised.
    Commonly occurs when writing an indexed loop to access a list.
    :return:
    """
    my_list = [1, 2, 3]
    return my_list[3]


def call_users_chosen_function(user_choice):
    try:
        if user_choice == 1:
            error_1()
        elif user_choice == 2:
            error_2()
        elif user_choice == 3:
            error_3()
        elif user_choice == 4:
            error_4()
        elif user_choice == 5:
            error_5()
        elif user_choice == 6:
            error_6()
        else:
            raise ValueError(
                f"Invalid user choice: {user_choice}. "
                f"Expected value are 1,2,..6"
            )
    except Exception as exception:
        statement = (
            f"-----ERROR-----\n"
            f"Exception: {type(exception).__name__}\n"
            f"Exception message: {exception}\n"
            f"---------------\n"
        )
        print(statement)


def main():
    user_choice = 1
    while user_choice != 0:
        user_choice = int(input("Enter a num from 1...6 (0 to exit) = "))
        call_users_chosen_function(user_choice)


if __name__ == '__main__':
    main()