What is an Exception?
An
Exception is an event or error that would happen during the execution of a
program that would disturbs their execution. Whenever there is an error, Python
generates an exception that could be handled. It basically prevents the program
from getting crashed. When a Python
script raises an exception, it must either handle the exception immediately
otherwise it terminates and quits.
Why we use Exceptions
There was a valid as well as invalid
exceptions occurred many times. Exceptions are convenient in many ways for
handling errors and also the special conditions in a program. If we have some
set of code which produces error, at that time we can use exception handling technique.
Handling
an exception
If you have some suspicious code that may raise an exception, you
can defend your program by placing the suspicious code in a try: block. After the try: block, include a except: statement, followed by a block of code
that handles the problem as elegantly as possible.
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