Raising Exceptions yourself
Exceptions example from a Well House Consultants training course
More on Exceptions [link]
Source code: oy Module: Y109
You can catch an exception by placing code that may raise an
exception in a try block, then add an except block to handle
Exceptions can be raised by system / function / method calls
of - as in this example - by a user written function or method
size = len(mylist)
raise TypeError,"Only works on lists"
print "Oh - never mind ...."
print "Program Completed"
""" Sample output:
Dorothy:slee_liv grahamellis$ python oy
Oh - never mind ....
Only works on lists
Learn about this subject
This module and example are covered on the following public courses:
* Learning to program in Python
* Python Programming
* Intermediate Python
Also available on on site courses for larger groups
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