Just another Haskell-influence on mainstream languages: Pythons list-comprehensions are verbatim copied from Haskell. This is even acknowledged here: <a href="https:&#x2F;&#x2F;wiki.python.org&#x2F;moin&#x2F;PythonVsHaskell" rel="nofollow">https:&#x2F;&#x2F;wiki.python.org&#x2F;moin&#x2F;PythonVsHaskell</a>