The following class definition is given. We want the show () method to invoke the get () method, and then output the value the get () method returns. Which of the invocations should be used instead of XXX?

Assuming that the following code has been executed successfully, select the expressions which evaluate to True (Select two answers)

What can you deduce from the following statement? (Select two answers)
str = open('file.txt', "rt")
What is true about Object-Oriented Programming in Python? (Select two answers)
What is the expected out of the following code of the file named zero_length_existing_file is a zero-length file located inside the working directory?
