Chapter 9: Problem 8

What will the following code display? stuff = {1 : 'aaa', 2 : 'bbb', 3 : 'ccc'} print(len(stuff))

Short Answer

Expert verified

```python stuff = {1: 'aaa', 2: 'bbb', 3: 'ccc'} print(len(stuff)) ``` Answer: The output of the code will be the integer 3, representing the number of key-value pairs in the "stuff" dictionary.

Step by step solution

Understand the purpose of len() function

The `len()` function in Python is used to find the number of items in a data structure like lists, tuples, strings, or dictionaries. In the case of dictionaries, the function returns the number of key-value pairs.

Analyze the given code

The provided code is defining a dictionary named "stuff" with three key-value pairs, where the keys are integers and the values are strings. Next, the `print()` function is used to display the length of the dictionary (i.e., the number of key-value pairs) by using the `len()` function.

Calculate the length of the dictionary

To calculate the length of the "stuff" dictionary using the `len()` function, we can count the number of key-value pairs. In this case, there are three pairs: 1. Key 1 with value 'aaa' 2. Key 2 with value 'bbb' 3. Key 3 with value 'ccc'

Determine the output

Since we have a total of 3 key-value pairs in the "stuff" dictionary, the output of the code will be the integer 3.

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What will the following code display? stuff = {1 : 'aaa', 2 : 'bbb', 3 : 'ccc'} print(len(stuff))

Short Answer

Step by step solution

Understand the purpose of len() function

Analyze the given code

Calculate the length of the dictionary

Determine the output

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