Computational Thinking and Programming-I Quiz 13

1. What is a dictionary in programming?

A sequence of numbers

A sequence of characters

A mathematical equation

A collection of key-value pairs

2. How can you access the value associated with a specific key in a dictionary?

By using parentheses ( )

By using curly braces { }

By using square brackets [ ]

By using angle brackets < >

3. Can you modify the values in a dictionary?

Yes, values can be modified

No, values cannot be modified

Only numeric values can be modified

Only string values can be modified

4. How can you add a new key-value pair to a dictionary?

Using the update( ) method

Using the keys( ) method

Using the values( ) method

Using the items( ) method

5. How can you traverse a dictionary in Python?

Using a for loop

Using a while loop

Using if statements

Using the sort( ) method

Which built-in function is used to determine the number of key-value pairs in a dictionary?

len( )

dict( )

keys( )

values( )

7. Which built-in method is used to return a list of all the keys in a dictionary?

len ( )

dict ( )

keys ( )

values ( )

8. Which built-in method is used to return a list of all the values in a dictionary?

len ( )

dict ( )

keys ( )

values ( )

9. Which built-in method is used to return a list of all the key-value pairs in a dictionary?

len( )

dict( )

keys( )

items( )

10. Which built-in method is used to retrieve the value associated with a key in a dictionary?

get( )

update( )

del( )

clear( )

11. Which built-in method is used to update a dictionary with the key-value pairs from another dictionary?

get( )

update( )

del( )

clear( )

12. Which built-in method is used to remove a key-value pair from a dictionary?

pop( )

popitem( )

setdefault( )

copy( )

13. Which built-in method is used to remove and return a key-value pair from a dictionary?

pop( )

popitem( )

setdefault( )

copy( )

14. Which built-in method is used to return the maximum key in a dictionary?

max( )

min( )

sorted( )

keys( )

15. Which suggested program involves counting the number of times a character appears in a given string using a dictionary?

Creating a dictionary with employee names and salaries

Accessing values from a dictionary

Deleting a key-value pair from a dictionary

Using a dictionary to store and count characters

Computational Thinking and Programming-I Quiz 13

Bycbsepython

By cbsepython

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