Too many clues are given in the Solution Template.
Also, Problem Statement is inconsistent with Test Suite (and Solution Template). It should say: "Create a function that subtracts b from a" (not "a from b").
SHOULD BE SUBSTRACTS b FROM A
The problem description has been updated.
Implement a ROT13 cipher
Project Euler: Problem 8, Find largest product in a large string of numbers
Angle between Two Vectors
Doubling elements in a vector
Who invented zero?
How do you make seven even?
Expand a term
Persistence will not help you solve this problem.
Persistence will help you solve almost any problem.
calculate the day of the year from a date string.
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