Dictionary-Built in functions- len,clear,get

______ method returns the number of key-value pairs in the given dictionary.

• count()

• len()

• sum()

• number()

Name the built in function that removes all items from the dictionary.

• clear()

• remove()

• delete()

• pop()

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

• return()

• access()

• get()

• values()

Dictionaries are ____, which means we can modify its values.

Keys in a dictionary must be ______.