Given a list of numbers l = [1,2,1,2]. The list consists of two distinct numbers, namely 1 and 2. The output is False. Given a list of numbers l = [1,2,3,4,5]. The list consists of five distinct numbers, namely 1, 2, 3, 4 and 5. The output is False. Given a list of numbers l = [1,1,1]. The list consists of one distinct numbers, namely 1. The output is True.
[[1,2,1,2]] [[1,2,3,4,5]] [[1,1,1]]
False False True