def factorial(num):
    if not isinstance(num, int):
        raise TypeError('Only integers are accepted for factorial.')

    if num < 0:
        raise ValueError('Number must be a positive integer.', num)
    
    product = 1
    for i in range(1, num+1):
        product *= i
    return product


print(factorial(5))
print(factorial(0))
try:
    print(factorial(-1))
except Exception as exc:
    print(exc)
    print(exc.args[0])
    print(exc.args)
print('here')

try:
    print(factorial('cat'))
except TypeError:
    print('caught type error')
except ValueError:
    print('caught value error')