Python Exercise: Add a key to a dictionary

Python dictionary: Exercise-2 with Solution

Write a Python program to add a key to a dictionary.

Sample Solution:-

Python Code:

d = {0:10, 1:20}

Sample Output:

{0: 10, 1: 20}                                                                                                
{0: 10, 1: 20, 2: 30} 

Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:

Python Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a Python program to sort (ascending and descending) a dictionary by value.
Next: Write a Python program to concatenate following dictionaries to create a new one.

What is the difficulty level of this exercise?

Inviting useful, relevant, well-written and unique guest posts