PE1 : Python Essentials 1 – Module 3 Test

PE1 : Python Essentials 1 – Module 3 Test

PE1 : Python Essentials 1 – Module 3 Test

  1. How many stars (*) will the following snippet send to the console?

    i = 0
while i <= 3 :
      i += 2
      print("+")
    • three
    • zero
    • one
    • two

  2. After execution of the following snippet, the sum of the all vals elements will equal to:

    vals = [0, 1, 2]
vals.insert(0, 1)
del vals[1]
    • 3
    • 4
    • 2
    • 5

  3. How many hashes(#) will the following snippet send to the console?

    for i in range(1):
       print("#")
else:
       print("#")
    • zero
    • three
    • two
    • one

  4. How many hashes(#) will the following snippet send to the console?

    var = 0
while var < 6:
          var += 1
         if var % 2 == 0:
                 continue
         print("#")
    • zero
    • three
    • two
    • one

  5. What is the output of the following snippet?

    my_list = [3, 1, -2]
print(my_list[my_list(-1)])
    • -2
    • -1
    • 3
    • 1

  6. How many stars(#) will the following snippet send to the console?

    var = 0
while i <= 5:
        i += 1
       if vi % 2 == 0:
               break
         print("*")
    • three
    • two
    • one
    • zero

  7. What is the output of the following snippet?

    my_list = [1, 2, 3, 4]
print(my_list[-3:-2])
    • [2, 3]
    • [2, 3, 4]
    • []
    • [2]

  8. How many hashes(#) will the following snippet send to the console?

    var = 1
while var < 10:
      print("#")
      var = var << 1
    • two
    • eight
    • four
    • one

  9. What is the output of the following snippet?

    my_list_1 = [1, 2, 3]
my_list_2 = []
for v in my_list_1:
    my_list_2.insert(0, v)
 print(my_list_2)
    • [1, 2, 3]
    • [3, 2, 1]
    • [3, 3, 3]
    • [1, 1, 1]

  10. Take a look at the snippet, and choose the true statements: (Select two answer)

    nums = [1, 2, 3]
vals = nums
del vals[1:2]
    • nums is longer than vals
    • nums and vals are of the same length
    • nums and vals refer to the same list
    • nums is replicated and assigned to vals

  11. What is the output of the following snippet?

    my_list = [[0, 1, 2, 3] for i in rage(2)]
print(my_list[2][0])
    • 1
    • 2
    • 0
    • the snippet will cause a runtime error 

  12. What value will be assigned to the x variable?

    z = 10
y = 0
x = y < z and z > y or y > z and z < y
    • 1
    • 0
    • True
    • False

  13. Which of the following sentences are true? (Select two answers)

    nums = [1, 2, 3]
vals = nums[-1:-2]
    • nums and vals are two different lists
    • vals is longer than nums
    • nums and vals are of the same length
    • numsis longer than vals

  14. What is the output of the following snippet?

    a = 1
b = 0
c = a & b
d = a | be = a ^ b

print(c + d + e)
    • 1
    • 0
    • 3
    • 2

  15. What is the output of the following snippet?

    my_list = [1, 2, 3]
for v in range(len(my_list)):
     my_list.insert(1, my_list[v])
print(my_list)
    • [1, 2, 3, 1, 2, 3]
    • [1, 2, 3, 3, 2, 1]
    • [1, 1, 1, 1, 2, 3]
    • [3, 2, 1, 1, 2, 3]

  16. An operator able to check whether two values are equal is code as:

    • =
    • !=
    • ==
    • ===

  17. The second assignment:

    vals = [0, 1, 2]
vals[0], vlas[2] = vals[2], vals[0]
    • doesn’t change the list
    • reverses the list
    • shortens the list
    • extends the list

  18. What is the output of the following snippet?

    t = [[3-i for i in range (3)] for j in range (3)]
s = 0 
for i in range(3):   
    s += t[i][i]
print(s)
    • 4
    • 7
    • 02
    • 6

  19. The value eventually assigned to x is equal to :

    x = 1
x = x == x
    • 0
    • 1
    • True
    • False

  20. How many elements does the my_list list contain?

    my_list = [i for i in range(-1, 2)]
    • two
    • three
    • four
    • one