10 Questions
Which data types can be used as values in a dictionary in Python?
Any data type
Which data types can be used as keys in a dictionary in Python?
Only integers and strings
What happens if there are duplicate keys in a dictionary in Python?
The values corresponding to the duplicate keys are overwritten
Are dictionary keys case sensitive in Python?
Yes, dictionary keys are case sensitive
How can an empty dictionary be created in Python?
By using the built-in function dict()
A dictionary in Python is a collection of ______ values, used to store data values like a map
keys
Key-Value is provided in the dictionary to make it more ______
optimized
Values in a dictionary can be of any data ______ and can be duplicated
type
Dictionary keys are ______ sensitive, the same name but different cases of Key will be treated distinctly
case
Dictionary can also be created by the built-in function ______()
dict
Study Notes
Dictionary in Python
- A dictionary in Python is a collection of unordered values, used to store data values like a map.
Creating a Dictionary
- An empty dictionary can be created in Python by using curly braces
{}or by using the built-in functiondict().
Dictionary Keys and Values
- Any data type can be used as a value in a dictionary.
- However, only immutable data types such as strings, integers, and tuples can be used as keys in a dictionary.
- Dictionary keys are case sensitive, the same name but different cases of Key will be treated distinctly.
- If there are duplicate keys in a dictionary, the last key-value pair will override the previous ones.
Characteristics of Dictionary Values
- Values in a dictionary can be of any data type and can be duplicated.
- Key-Value is provided in the dictionary to make it more readable.
Test your knowledge of dictionaries in Python with this quiz! Learn about the key-value pairs and how to create dictionaries in Python.
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