Write a function check_sum(), which, given li, a list of integers, and num, returns whether any two numbers in li add up to num
Write a function check_sum(), which, given li, a list of integers, and num, returns whether any two numbers in li add up to num
Write a function check_sum(), which, given li, a list of integers, and num, returns whether any two numbers in li add up to num. There are no duplicates in li.
Provide a solution that is faster than O(n^2) time.
check_sum()
li
num
li
num
li
Example:
>>> check_sum(li=[11, 1, 2, 3, 10], num=21)
True
>>> check_sum(li=[11, 1, 2, 3], num=21)
False
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That's a nice homework description. Now, what's your question?
– cricket_007
Jul 1 at 14:24