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Try-except statements are another selection structure in Python. Like if , elif and else statements, a try-except statements select a particular block of code to run based on a condition. Unlike if , elif and else clauses, try-except blocks are not based on logical conditions.

First, the try clause (the statement(s) between the try and except keywords) is executed. If no exception occurs, the except clause is skipped and execution of the try statement is finished. If an exception occurs during execution of the try clause, the rest of the clause is skipped.

Working of 'try' and 'except' First try clause is executed i.e. the code between try and except clause. If there is no exception, then only try clause will run, except clause will not get executed. If any exception occurs, the try clause will be skipped and except clause will run. Try, Except, else and Finally in Python - GeeksforGeeks geeksforgeeks.org https://.geeksforgeeks.org › try-except-else-and-fina... geeksforgeeks.org https://.geeksforgeeks.org › try-except-else-and-fina...

The try block lets you test a block of code for errors. The except block lets you handle the error. The else block lets you execute code when there is no error. The finally block lets you execute code, regardless of the result of the try- and except blocks.

except is how you handle an exception that some other code signalled. raise is how you signal an exception yourself. It's like asking what the difference is between making a phone call and answering the phone. In except you usually handle exceptions, you normally don't raise other exceptions.

except: accepts all exceptions, whereas. except Exception as e: only accepts exceptions that you're meant to catch. Here's an example of one that you're not meant to catch: >>> try: ...

The raise statement is often used in low-level code that can detect but not handle an error. The try-except blocks are in higher-level code that calls these low-level functions and knows how to handle the errors. Raise and Try/Catch: Why They Need to Be Separate and Why Use ... medium.com https://medium.com › raise-and-try-catch-why-they-need... medium.com https://medium.com › raise-and-try-catch-why-they-need...

except blocks. It defines a block of code to run when the try... except...else block is final. The finally block will be executed no matter if the try block raises an error or not. This can be useful to close objects and clean up resources.

Both share a similar philosophy in syntax, where a block of code is 'tried,' and if an exception occurs, it's caught and handled in a designated way. There's one big difference between them though: try-except is for Python while try-catch is for Java.