Python methods return value
>>> a = [1, 3, 4]
>>> a
[1, 3, 4]
>>> print a.append(5)
None
>>> a
[1, 3, 4, 5]
>>> a.sort()
>>> a
[1, 3, 4, 5]
>>> print a.sort()
None
- 2016-03-19
edit
>>> a = [1, 3, 4]
>>> a
[1, 3, 4]
>>> print a.append(5)
None
>>> a
[1, 3, 4, 5]
>>> a.sort()
>>> a
[1, 3, 4, 5]
>>> print a.sort()
None