Programming Questions

How to handle an exception in Python?

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I have code that is raising an exception. How to handle this exception?

What is the use of "assert" statement in Python?

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I have a code and I want to test it and debug it. Is there any built-in function or statement in python to test code without using exception handling?

Explain try, except and finally statements in Python.

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When I am running the following code, I am getting an error. OUTPUT How to use try, except and finally statements in python to handle exceptions like above?

What is exception handling in Python?

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When I type say 3/0 at python prompt, I get an error as follows. OUTPUT How to handle errors/exceptions in python?

What is unexpected indent in Python?

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When I run the following code, I am getting an error as follows. OUTPUT How to address this problem?

What is the difference between 'except Exception as e' and 'except Exception, e' in Python?

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There are two similar codes as follows. and: I would like to know if there is any change in functionality with the change in syntax.

How to ignore an exception and proceed in Python?

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When you just want to do run a try-except block without handling the exception; how do you do it in Python?

How to handle a python exception within a loop?

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I have a code using 'for loop' that throws an exception. How do I catch this exception in the loop in above code?

How to catch a python exception in a list comprehension?

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I have a list comprehension in Python in which an iteration can throw an exception. For instance, if I have: I'll get an exception while iterating over element ‘0’ of the tuple. How can I handle this exception and continue execution of the list comprehension?

Where's the standard python exception list for programmers to raise?

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I want to know what all standard exceptions are there in python. Where can I find a list of standard python exceptions?

How do I check if a Python variable exists?

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I can know if a variable is defined or not using exception handling as follows. I want to find if a variable in a python code exists or not without using try-except block.

How to print the Python Exception/Error Hierarchy?

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I am new to Python programming and I am learning exception handling. Is there any command or code snippet in python to print the Exception/Error Class hierarchy? The output should on the lines of the following: https://docs.python.org/2/library/exceptions.html#exception-hierarchy