In a dictionary, the elements are accessed through:

1. Key
2. Value
3. Index
4. None of these

Keys of a dictionary must be:

1. Similar
2. Unique
3. Both (i) and (ii)
4. All of these

Which function is used to return a value for the given key?

1. len()
2. get()
3. keys()
4. None of these

Which function is used to remove all items from a particular dictionary?

1. clear()
2. pop()
3. delete()
4. rem()