Quite a few handy functions

• See https://docs.python.org/3/library/functions.html
• Beyond built-in functions
  • List comprehensions
  • Dictionary comprehensions

Comprehensions

• Dictionary comprehensions supported since 2.7

>>> items = [['a', 1], ['b', 2], ['c', 3], ['d', 4], ['e', 5]]

>>> {a[0]: a[1] for a in items}

{'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5}

List comprehensions