Whether is there "try...except...else.....finally" function such as in python?

whether is there "try...except...else.....finally" function or module sunch as in python?
For some reason ,I need a calculator myself which can compute the result in time when the number change, but sometime the condition is not enough

zhou, you can use


to catch error concerning to a screen, if any. There is no mechanism to envelope a specific code bolok(s) in try/catch..finaly kind of.

Something close to what you are looking for:

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