Python list 之 append 和 extend

>>> myList = [1,2.0,'a']
>>> myList
[1, 2.0, 'a']
>>> myList.append('APP')
>>> myList
[1, 2.0, 'a', 'APP']
>>> myList.extend([123,'abc'])
>>> myList
[1, 2.0, 'a', 'APP', 123, 'abc']
>>> myList.append(1,2)
Traceback (most recent call last):
File "<pyshell#69>", line 1, in <module>
myList.append(1,2)
TypeError: append() takes exactly one argument (2 given)
>>> myList.extend([1],[2])
Traceback (most recent call last):
File "<pyshell#70>", line 1, in <module>
myList.extend([1],[2])
TypeError: extend() takes exactly one argument (2 given)