Dictionary

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Dictionary

Name of the Student *

Name of KV *

1.What will be the output of the following Python code snippet? d = {"john":40, "peter":45} "john" in d *

1 point

True

Error

None

False

2. What will be the output of the following Python code snippet? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 == d2 *

1 point

Error

True

False

None

3. . What will be the output of the following Python code snippet? d = {"john":40, "peter":45} d["john"] *

1 point

"john"

"peter"

4. Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command do we use? *

1 point

d.delete(“john”:40)

d.delete(“john”)

del d[“john”]

del d(“john”:40)

5.What will be the output of the following Python code snippet?d = {"john":40, "peter":45} print(list(d.keys())) *

1 point

(“john”, “peter”)

(“john”:40, “peter”:45)

[“john”:40, “peter”:45]

[“john”, “peter”]

6. Suppose d = {“john”:40, “peter”:45}, what happens when we try to retrieve a value using the expression d[“susan”]? *

1 point

Since “susan” is not a key in the set, Python raises a KeyError exception

Since “susan” is not a value in the set, Python raises a KeyError exception

Since “susan” is not a key in the set, Python raises a syntax error

It is executed fine and no exception is raised, and it returns None

7. Which of these about a dictionary is false? *

1 point

Dictionaries aren’t ordered

Dictionaries are mutable

The keys of a dictionary can be accessed using values

The values of a dictionary can be accessed using keys

8. Which of the following is not a declaration of the dictionary? *

1 point

{ }

{1: ‘A’, 2: ‘B’}

dict([[1,”A”],[2,”B”]])

{1,”A”,2”B”}

9.What will be the output of the following Python code snippet? a={1:"A",2:"B",3:"C"} for i,j in a.items(): print(i,j,end=" ") *

1 point

A B C

1 2 3

1 A 2 B 3 C

1:”A” 2:”B” 3:”C”

10.Which of the statements about dictionary values if false? *

1 point

Values of a dictionary must be unique

The values of the dictionary can be accessed as dict[key]

More than one key can have the same value

Values of a dictionary can be a mixture of letters and numbers

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