meng.boxPrint.py

#! python3
# boxPrint.py - testing for try catch

def boxPrint(symbol, width, height):
    if len(symbol) != 1:
        raise Exception('Symbol must be a single charater string.')
    if width <= 2:
        raise Exception('Width must be greater than 2.')
    if height <= 2:
        raise Exception('Height must be greater than 2.')

    print(symbol * width)

    for i in range(height -2):
        print(symbol + (' '* (width - 2)) + symbol)

    print(symbol * width)

for sym, w, h in (('*', 4, 4), ('0', 20, 5), ('x', 1, 3), ('ZZ', 3, 3)):
    try:
        boxPrint(sym, w, h)
    except Exception as err:
        print('An exception happened: ' + str(err))