Which value is assigned to keys, if no value is specified with the fromkeys() method ?

1. 0
2. 1
3. None
4. any of these

Which of the following can be used to delete item(s) from a dictionary?

1. del statement
2. pop( )
3. popitem( )
4. all of these

Which of the following will raise an error if the given dictionary is empty ?

1. del statement
2. pop( )
3. popitem( )
4. all of these

A copy of the dictionary where only the copy of the keys is created for the new dictionary, is called …………… copy.

1. key copy
2. shallow copy
3. deep copy
4. partial copy