Sum of Two Numbers in List Equal to Given Number

Create a function that takes a list of numbers lst and a number n. Return True if the sum of any two elements is equal to the given number. Otherwise, return False.

Examples

check_sum([10, 12, 4, 7, 9, 11], 16) ➞ True

check_sum([4, 5, 6, 7, 8, 9], 13) ➞ True

check_sum([0, 98, 76, 23], 174) ➞ True

check_sum([0, 9, 7, 23, 19, 18, 17, 66], 39) ➞ False

check_sum([2, 8, 9, 12, 45, 78], 1) ➞ False

Notes

N/A