Quiz on Python Dictionary

What is the correct way to define a dictionary in Python?

What does the keys() method return?

What is the output of len({“a”: 1, “b”: 2, “c”: 3})?

Which method is used to return all key-value pairs?

What is the output of d = {“x”: 5}; print(d[“x”])?

Which method removes all items from a dictionary?

What happens if you access a key that doesn’t exist in a dictionary using []?

Which method can safely return a value for a given key or return a default?

Which of these can be used as a dictionary key?

What does dict1.update(dict2) do?

Which method removes an item by key and returns its value?

What does this return?

d = {“a”: 1, “b”: 2}
print(“c” in d)

Which of these is invalid dictionary syntax?

What will this code do?

a = {}
a[0] = “zero”
print(a)

What is the output of this code?

d = {“a”: 1, “b”: 2}
print(list(d.values()))