Python
Essential thing to create a window screen using tkinter python

All of the mentioned
To define a geometry
call tk() function
create a button

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Python
What is the use of duck typing?

Makes the program code smaller
Less restriction on the type values that can be passed to a given method
No 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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Python
Which of the following statements is true?

Overriding isn’t possible in Python
A subclass method can be overridden by the superclass
A private method in a superclass can be overridden
A non-private method in a superclass can be overridden

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