12 Questions
How can you give a default value to all keys in a dictionary?
Using the fromkeys() method
What is the default value assigned to keys when using the fromkeys() method without specifying a value?
None
How can you replace the value associated with a key in a dictionary?
Using brackets [ ] and the equals sign =
Which method in Python allows you to search for the presence of objects in a dictionary by their keys?
keys()
What will be the result of the expression 'Last_name' in Keys?
False
How can you search for the presence of specific values in a dictionary?
values() method
Which statement about dictionaries in Python is true?
Each key in a dictionary must be unique
What does the function dict() do in Python when creating dictionaries?
Converts a list to a dictionary
What is a characteristic of dictionaries in Python?
Dictionaries are indexed by keys
How can you modify a value associated with a key in a dictionary?
By directly assigning a new value to the key
In Python, how can default values be set for keys in a dictionary?
Using the setdefault() method
Which operation can change the size of a dictionary in Python?
Inserting elements
Learn about the syntax of creating dictionaries in Python using key-value pairs separated by a comma or a list of tuples. Explore examples of creating an empty dictionary and defining a dictionary with key-value pairs and lists. Understand how to access and display dictionary elements.
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