1def f():
2    # list comprehension
3
4    print([a + 1 for a in range(5)])
5    print([(a, b) for a in range(3) for b in range(2)])
6    print([a * 2 for a in range(7) if a > 3])
7
8    print([a for a in [1, 3, 5]])
9    print([a for a in [a for a in range(4)]])
10
11    # dict comprehension
12
13    d = {a : 2 * a for a in range(5)}
14    print(d[0], d[1], d[2], d[3], d[4])
15
16    # set comprehension
17    # see set_comprehension.py
18
19f()
20