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Python Exception Handling

The try statement- try and except keywords

Program below asks the user for input until a valid integer and handle ValueError exceptions.

>>> while True:
... try:
... x = int(raw_input("Please enter a Integer: "))
... break
... except ValueError:
... print "Exception! That was no valid Integer."
...

A try statement may have more than one except clause.

An except clause may include many exceptions.

Example:

... except (NameError, KeyError, ZeroDivisionError):
... pass