给定一个列表，输出列表中的所有奇数。


1. [1, 3, 6, 7, 9]
2. [2, 4, 6, 8, 10]
3. [11, 12, 13, 14, 15]
4. [20, 21, 23, 24, 25]
5. [31, 32, 33, 35, 37]
1. [1, 3, 7, 9]
2. []
3. [11, 13, 15]
4. [21, 23, 25]
5. [31, 33, 35, 37]