w3resource

Python Challenges: Find a missing number from a list

Python Challenges - 1: Exercise-7 with Solution

Write a Python program to find a missing number from a list.

Explanation:

Python: missing number from a list

Sample Solution:

Python Code:

def missing_number(num_list):
    return sum(range(num_list[0],num_list[-1]+1)) - sum(num_list)

print(missing_number([1,2,3,4,6,7,8]))

print(missing_number([10,11,12,14,15,16,17]))

Sample Output:

5                                                                                                             
13

Flowchart:

Python Flowchart: Find a missing number from a list

Python Code Editor:

Contribute your code and comments through Disqus.

Previous: Write a Python program to check if a number is a power of a given base.
Next: Write a Python program to find missing numbers from a list.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Become a Patron!

Follow us on Facebook and Twitter for latest update.

It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.

https://w3resource.com/python-exercises/challenges/1/python-challenges-1-exercise-7.php