Python: Exceptions

Exception is an event that disrupts the normal flow of execution. Even though statements in your program are syntactically correct, they may cause an error.

>>> 10/0
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ZeroDivisionError: division by zero
>>> 
>>> tempList=[]
>>> tempList[20]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
IndexError: list index out of range

Observer above snippet, ‘10/0’ causes ZeroDivisionError. When program tries to access 20^th element of tempList it causes IndexError.

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