Python
When is the finally block executed?

when there is no exception
when there is an exception
only if some condition that has been specified is satisfied
always

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Python
What is the use of duck typing?

Makes the program code smaller
No restriction on the type values that can be passed to a given method
Less restriction on the type values that can be passed to a given method
More restriction on the type values that can be passed to a given method

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