Python NameError Exception
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You get a NameError if you use a variable that does not exist:
print(x)
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Definition and Usage
The NameError exception occurs if you use a variable that is not defined.
You can handle the NameError in a try...except statement, see the example below.
Exception Handling
Example
Handling the NameError in a try...except statement:
try:
print(x)
except NameError:
print("Variable x is not defined")
except:
print("Something else went wrong")
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