>>> test1 = ["aaa","bbb","ccc"] >>> type(test1) <class 'list'>
>>> len(test1) 3
>>> test1.append("xxx") ## 追加 >>> test1 ['aaa', 'bbb', 'ccc', 'xxx'] >>> test1.append("yyy") >>> test1 ['aaa', 'bbb', 'ccc', 'xxx', 'yyy'] >>> test1.append("mmm","nnn") Traceback (most recent call last): File "<pyshell#416>", line 1, in <module> test1.append("mmm","nnn") TypeError: append() takes exactly one argument (2 given) >>> test1.extend("mmm","nnn") Traceback (most recent call last): File "<pyshell#417>", line 1, in <module> test1.extend("mmm","nnn") TypeError: extend() takes exactly one argument (2 given) >>> test1.extend(["mmm","nnn"]) ## 列表的扩展，添加多个元素 >>> test1 ['aaa', 'bbb', 'ccc', 'xxx', 'yyy', 'mmm', 'nnn'] >>> test1.insert(0,111) ## 列表插入 >>> test1 [111, 'aaa', 'bbb', 'ccc', 'xxx', 'yyy', 'mmm', 'nnn'] >>> test1.insert(1,222) >>> test1 [111, 222, 'aaa', 'bbb', 'ccc', 'xxx', 'yyy', 'mmm', 'nnn'] >>> test1.insert(5,3333) >>> test1 [111, 222, 'aaa', 'bbb', 'ccc', 3333, 'xxx', 'yyy', 'mmm', 'nnn'] >>> test1.insert(-1,888) >>> test1 [111, 222, 'aaa', 'bbb', 'ccc', 3333, 'xxx', 'yyy', 'mmm', 888, 'nnn']
>>> test1 = ["aaa","bbb","ccc"]
>>> test2 = ["mmm",111,333]
>>> test1 + test2
['aaa', 'bbb', 'ccc', 'mmm', 111, 333]
>>> test2 + test1
['mmm', 111, 333, 'aaa', 'bbb', 'ccc']
