test create pass
test_change_diamter pass
test area pass
test_str pass, unsure about test_set_area
test_repr passa
test_set_area pass, test_add pass
not sure how to pass test_equal
all tests pass
cleaned up redundant code
test_ack written and passed
count evens test pass
rot13 test pass
test series pass
can't figure out why assertion isn't working
iterator homework done
test_intsum pass
test_initsum2 pass (not sure what diff should be
test_doubler pass
test_doubler pass
test_fib pass