pe1 module 3

 

MODULE 3 TEST

Well done! You've reached the end of Module 3 and completed a major milestone in your Python programming education. Here's a short summary of the topic areas you've covered in Module 3:

  • Boolean values to compare different values and control the execution paths using the if and if-else instructions;
  • the utilization of loops (while and for) and how to control their behavior using the break and continue instructions;
  • the difference between logical and bitwise operations;
  • the concept of lists and list processing, including the iteration provided by the for loop, and slicing;
  • the idea of multi-dimensional arrays.

You are now ready to take the module test, which will both help you gauge what you've learned so far.

The following test is based on what you have just learned. There are twenty questions in total and you need to score at least 70% to pass.

Good luck!


Question 1

An operator able to check whether two values are equal is coded as:

Question 2

The value eventually assigned to x is equal to:

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x = 1
x = x == x
 
Question 3

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

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i = 0
while i <= 3 :
    i += 2
    print("*")
 
Question 4

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

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i = 0
while i <= 5 :
    i += 1
    if i % 2 == 0:
      break
    print("*")
 
Question 5

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

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for i in range(1):
    print("#")
else:
    print("#")
 
Question 6

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

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var = 0
while var < 6:
    var += 1
    if var % 2 == 0:
        continue
    print("#")
 
Question 7

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

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var = 1
while var < 10:
    print("#")
    var = var << 1
 
Question 8

What value will be assigned to the x variable?

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z = 10
y = 0
x = y < z and z > y or y > z and z < y
 
Question 9

What is the output of the following snippet?

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a = 1
b = 0
c = a & b
d = a | b
e = a ^ b
 
print(c + d + e)
 
Question 10

What is the output of the following snippet?

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my_list = [3, 1, -2]
print(my_list[my_list[-1]])
 
Question 11

What is the output of the following snippet?

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my_list = [1, 2, 3, 4]
print(my_list[-3:-2])
 
Question 12

The second assignment:

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vals = [0, 1, 2]
vals[0], vals[2] = vals[2], vals[0]
 
Question 13

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

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vals = [0, 1, 2]
vals.insert(0, 1)
del vals[1]
 
Question 14

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

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nums = [1, 2, 3]
vals = nums
del vals[1:2]
 
Question 15

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

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nums = [1, 2, 3]
vals = nums[-1:-2]
 
Question 16

What is the output of the following snippet?

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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)
 
Question 17

What is the output of the following snippet?

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my_list = [1, 2, 3]
for v in range(len(my_list)):
    my_list.insert(1, my_list[v])
print(my_list)
 
Question 18

How many elements does the my_list list contain?

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my_list = [i for i in range(-1, 2)]
 
Question 19

What is the output of the following snippet?

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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)
 
Question 20

What is the output of the following snippet?

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my_list = [[0, 1, 2, 3] for i in range(2)]
print(my_list[2][0])
 

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