got a failing test
got a passing test with easiest solution
got a failing test for 2nd test
got a passing test for 3rd test
completed remaining addition tests
got a failing test for first subtraction
got a passing test using easiest solution
got a failing test for 2nd assert test for subtraction
got a passing test for 2nd subtraction test
completed remaining subtraction tests. Passing tests
refactored a bit and added notes
got failing test for first addition assert
got passing test for first assert test
got a failing test for 2nd assert test
got a passing test for 2nd assert test
completed the remaining addition assert tests
got a failing test for first subtraction assert
got first passing test for subtraction
got a failing test for 2nd subtraction assert
got a passing test for 2nd subtraction assert