Python Dictionary Quiz
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Questions and Answers

Which data types can be used as values in a dictionary in Python?

  • Only integers and strings
  • Only strings and lists
  • Only booleans and floats
  • Any data type (correct)
  • Which data types can be used as keys in a dictionary in Python?

  • Only strings and lists
  • Only integers and strings (correct)
  • Only booleans and floats
  • Any data type
  • What happens if there are duplicate keys in a dictionary in Python?

  • The values corresponding to the duplicate keys are overwritten (correct)
  • The duplicate keys are automatically removed
  • The program throws an error
  • The dictionary becomes invalid
  • Are dictionary keys case sensitive in Python?

    <p>Yes, dictionary keys are case sensitive</p> Signup and view all the answers

    How can an empty dictionary be created in Python?

    <p>By using the built-in function dict()</p> Signup and view all the answers

    A dictionary in Python is a collection of ______ values, used to store data values like a map

    <p>keys</p> Signup and view all the answers

    Key-Value is provided in the dictionary to make it more ______

    <p>optimized</p> Signup and view all the answers

    Values in a dictionary can be of any data ______ and can be duplicated

    <p>type</p> Signup and view all the answers

    Dictionary keys are ______ sensitive, the same name but different cases of Key will be treated distinctly

    <p>case</p> Signup and view all the answers

    Dictionary can also be created by the built-in function ______()

    <p>dict</p> Signup and view all the answers

    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 function dict().

    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.

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    Description

    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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