The try block lets you test a block of code for errors.
The except block lets you handle the error.
The finally block lets you execute code, regardless of the result of the try- and except blocks.
When an error occurs, or exception as we call it, Python will normally stop and generate an error message.
These exceptions can be handled using the try statement:
The try block will generate an exception, because x is not defined:
try:
print(x)
except:
print("An exception occurred")
Since the try block raises an error, the except block will be executed.
Without the try block, the program will crash and raise an error:
ExampleThis statement will raise an error, because x is not defined:
print(x)
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