Learn how Python's dictionary data structure works as a powerful and versatile way to store and retrieve objects and data in your applications. Credit: Maria Vonotna/Shutterstock ...

Output: -2 b[0] # it returns the first element in the list Output: 3 b[1:4] # this returns a list of the second, third, and fourth elements in the original list Output: [1, -2, 7] Note: The index of a ...