#python list comprehension

Python Daily Challenge problem

Hello,

Today’s post is about solving a new interesting problem using python. We’ll be using Python 3 in this series of challenges.

Problem Statement:

Given a list of numbers and a number k, return whether any two numbers from the list add up to k.

Bonus: Can you do this in one pass?

Example 1:

Input: List  [10, 15, 3, 7], k =17

Output: True

Example 2:

Input: List [1,3,4,5,67,7], k= 73

Output: Fal…

This post is a part of my Python documentation, in case you are learning Python. In below coding examples I cover list comprehensions, a compact way of creating lists, allowing for filtering too.

# first example of a python list comprehension; # syntax is list = [element from sequence (with filter)]; # below example does not apply a filter a = [i for i in range(0,10)] a

[0, 1, 2, 3, 4, 5,…