Python
Which of the following statements is true?

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

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Python
What is the use of duck typing?

Less restriction on the type values that can be passed to a given method
Makes the program code smaller
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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