# this file available at: https://arachnoid.com/files/python01/

def match_case_example(letter :str) -> None:
    print(f'Letter {letter} as in:')
    match letter:
        case 'A':
            # letter matches A
            for example in ('Aardvark','Apple','Anomaly'):
                print(f'\t{example}')
        case 'B':
            # letter matches B
            for example in ('Baker','Boat','Bread'):
                print(f'\t{example}')
        case 'C':
            # letter matches C
            for example in ('Cake','Coal','Clear'):
                print(f'\t{example}')
        case _:
            # letter has no match
            print(f'\tError: {letter} not recognized.')

def main():
    for letter in ('A','B','C','D'):
        match_case_example(letter)

if __name__ == "__main__":
    main()