CODE EXAMPLE FOR PYTHON

Raising Exceptions in Python

>>> raise KeyboardInterrupt
Traceback (most recent call last):
...
KeyboardInterrupt

>>> raise MemoryError("This is an argument")
Traceback (most recent call last):
...
MemoryError: This is an argument

>>> try:
...     x = int(input("Enter a positive integer: "))
...     if x <= 0:
...         raise ValueError("That is not a positive number!")
... except ValueError as y:
...     print(y)
...    
Enter a positive integer: -2
That is not a positive number!