Python
Essential thing to create a window screen using tkinter python

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

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Python
What is the use of duck typing?

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

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Python
Which of the following statements is true?

The standard exceptions are automatically imported into Python programs
When there is a deviation from the rules of a programming language, a semantic error is thrown
If any exception is thrown in try block, else block is executed
All raised standard exceptions must be handled in Python

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