Dictionary Class 11

Which of the following functions will return the key, value pairs of a dictionary?

• keys()

• values()

• items()

• all of these

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

• 0

• 1

• None

• any of these

Dictionaries are ________ data types if Python

• mutable

• immutable

• simple

• all of thses

Which function returns the number of items in the dictionary?

• len()

• get()

• values()

• keys()

What will be the result of

d={'a':1,'b':2,"c":3}

print(d[0])

• a

• b

• c

• Error

What will be printed by the following statement?

d={"cat":12,"dog":6,"elephant":23,"bear":20}

print("dog" in d)

• True

• False

• Error

• None

What will be printed by the following statement?

d={"cat":12,"dog":6,"elephant":23,"bear":20}

print("dog" in d.values())

• True

• False

• Error

• None

Dictionaries are also called_________

• mappings

• hashes

• associative array

• All of these

which of the following will create a dictionary with given keys and a common value?

• update()

• fromkeys()

• setdefault()

• all of these

What is the return type of items() function?

• List

• Tuple

• dictionary

• None of these