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Core Python Programming, Second Edition by Wesley J. Chun

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Chapter 10. Errors and Exceptions

Errors are an everyday occurrence in the life of a programmer. In days hopefully long since past, errors were either fatal to the program (or perhaps the machine) or produced garbage output that was not recognized as valid input by other computers or programs or by the humans who submitted the job to be run. Any time an error occurred, execution was halted until the error was corrected and code was re-executed. Over time, demand surged for a “softer” way of dealing with ...

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