Python for GCSE

7.3: use validation and exception handling to make programs robust

Validation and exception handling
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presence checktype of validation where the program checks data for empty values
range checktype of validation where data is checked to see if it's between an expected minimum and maximum value
type checktype of validation where data is checked against what sort of data the program expects (e.g. integer, boolean, character or string)
validationchecking that input data is suitable for processing and doesn't contain anything that would cause an error to occur
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