Python Programming Mock Test 5

10%

Question 1 of 10

1. Input order is preserved in sets.

True

False

Question 1 of 10

Question 2 of 10

2. What will be the output of the following Python code?

s={4>3, 0, 3-3}
all(s)
any(s)

False
True

True
False

True 
True

False
False

Question 2 of 10

Question 3 of 10

3. If a is a dictionary with some key-value pairs, what does a.popitem() do?

Invalid method for dictionary

Removes the key-value pair for the key given as an argument

Removes an arbitrary element

Removes all the key-value pairs

Question 3 of 10

Question 4 of 10

4. What will be the output of the following Python code?

>>> a={1,2,3}
>>> b=a
>>> b.remove(3)
>>> a

Error, invalid syntax for remove

{1,2}

Error, copying of sets isn’t allowed

{1,2,3}

Question 4 of 10

Question 5 of 10

5. Which of the following isn’t true about dictionary keys?

Keys must be integers

Keys must be immutable

When duplicate keys encountered, the last assignment wins

More than one key isn’t allowed

Question 5 of 10

Question 6 of 10

6. Which of the following is not a declaration of the dictionary?

dict([[1,"A"],[2,"B"]])

{1,”A”,2”B”}

{ }

{1: 'A', 2: 'B'}

Question 6 of 10

Question 7 of 10

7. What will be the output of the following Python function?

{x for x in 'abc'}
{x*3 for x in 'abc'}

    {‘a’, ‘b’, ‘c’}
   {‘aaa’, ‘bbb’, ‘ccc’}

    abc
   abc abc abc

    {‘a’, ‘b’, ‘c’}
    abc
    abc
    abc

    {abc}
    aaa
    bbb
    ccc

Question 7 of 10

Question 8 of 10

8. Suppose d = {"john":40, "peter":45}, to delete the entry for "john" what command do we use?

d.delete("john":40)

del d["john"]

del d("john":40)

d.delete("john")

Question 8 of 10

Question 9 of 10

9. If a={5,6,7,8}, which of the following statements is false?

print(len(a))

a[2]=45

print(min(a))

a.remove(5)

Question 9 of 10

Question 10 of 10

10. The following Python code results in an error.

s={2, 3, 4, [5, 6]}

True

False

Question 10 of 10