21. If x=3.123, then int(x) will give ?

1. 3.1
2. 0
3. 1
4. 3

22. Which of the following is the example of typecasting?

1. int(5)
2. str(5)
3. str(xyz)
4. All of the above

23. What is type casting in python?

1. Declaration of data type
2. Destroy data type
3. Change data type property
4. None of the above

24. In Python 3, the maximum value for an integer is 2⁶³ – 1:

1. True
2. Flase

25. Which of the following is not a data type in python?

1. List
2. Tuple
3. Dictionary
4. Book

26. Which of the following is a valid way to specify the string literal foo'bar in Python:

1. “foo’bar”
2. ‘foo”bar’
3. ‘foo’bar’
4. None of the above

27. Correct way to declare a variable x of float data type in python:

1. x = 2.5
2. float x = 2.5
3. float(2.5)
4. All of the above

28. All keywords in Python are in ____

1. None of the below
2. lower case
3. UPPER CASE
4. Capitalized

29. Which of the following is true for variable names in Python?

1. Underscore and ampersand are the only two special characters allowed
2. All private members must have leading and trailing underscores
3. Unlimited length
4. none of the mentioned

30. What does ~4 evaluate to?

1. -4
2. -5
3. -3
4. +3

31. In order to store values in terms of key and value we use that core data type in python?

1. List
2. Class
3. Dictionary
4. Tupple

32. How can we get 6 from the given list: list=[9,5,6,3]

1. list[-2]
2. list[-1]
3. list[3]
4. None of the above