copy your code, and press reset(this resets test case suite and code editor)

have you converted the input to a 2d list?

"Days" are really test cases. so with each new test case, you are suposed to calculate the number of new listeners.

If on the first test mountMoose.howMany(['John', 'Fred', 'BOb', 'carl', 'RyAn']); is called, then your function should return 5 because they are all new listeners, as it is the first test (or "day").

On the second test (or "day") if mountMoose.howMany(['JoHn', 'Luke', 'AmAndA']); is called, then your function would retrun 2 because John already listened in the first test.

Hopefully this helps.

However, the standard does not specify how long that "time unit" is.

Also if you have trouble discerning if the particular sequence of 1's is a dot or a dash, assume it's a dot.

Because of that.