Lecture 4 - Exercises

4A - print’s keyword arguments

1. Which of the following is printed by: print("B", "C", "D", "BR", sep="A")

   1. BACADABR
   2. ABACADABRA
   3. ABACADABR
   4. BACADABRA

2. What is printed by the following code?

   print("Name: ", end="\n---\n")
   print("Date:", end="\n---\n")

3. What does the following program print?

   a = 31
   b = a // 4
   c = (5 % b) - 1.0
   print("a", a ** 0, sep=": ", end=";  ")
   print("b", b - 4, sep=": ", end=";  ")
   print("c", c * 2, sep=": ")

4B - Binary Representation

For your convenience, here is a table of the first 8 powers of two:

2^0:   1
2^1:   2
2^2:   4
2^3:   8
2^4:  16
2^5:  32
2^6:  64
2^7: 128

Convert each of the following binary numbers to decimal:

5. 1
6. 10
7. 1010
8. 1111

Convert each of the following decimal numbers to binary:

9. 32
10. 15
11. 28
12. 68