#tuple类似于list,只是一旦创建不可改变tuple1=('zhangsan','lisi','wangwu')print(tuple1)print(tuple1[1])print(tuple1[-1])#只有一个int型的tupletuple2=(1,)print(tuple2[0])#tuple中有list的情况,list中的元素可以进行增删改tuple3=('zhangsan','lisi',['wangwu','zhaoliu'])print(tuple3)print...
we have to call it on the string that’ll be used for joining. In this case, we’re using a string with a space in it. The method receives a list of strings and returns one string with each of the strings joined by the initial string. Let’s check its functionality with...
1111StringArray- strs: List[str]+__init__(self)+append(self, str)+remove(self, str)+get_length(self) : int+is_empty(self) : boolList- elements: List[T]+__init__(self)+add(self, element)+remove(self, element)+get_length(self) : int+is_empty(self) : boolT+__init__(self)...
erDiagram STRING { string content } LIST { List string items } LIST ||--o{ STRING : contains 序列图 接下来,我们用序列图来展示使用append()方法向列表添加字符串的过程: AppendMethodListUserAppendMethodListUserCreate a new listCall append("Hello")Add "Hello" to the listCall append("World")Ad...
| S.rsplit(sep=None, maxsplit=-1) -> list of strings | | Return a list of the words in S, using sep as the | delimiter string, starting at the end of the string and | working to the front. If maxsplit is given, at most maxsplit ...
命令conda支持clean、config、create、info、install、list、uninstall、upgrade等子命令,可以使用命令“conda -h”查看具体用法。在开始菜单中依次打开“Anaconda3(64bit)”==>“Anaconda Prompt(Anaconda3)”,如图1-15中箭头3所示。进入Anaconda命令提示符环境,执行conda命令管理扩展库即可。
String, int and boolean data types: list1 = ["apple","banana","cherry"] list2 = [1,5,7,9,3] list3 = [True,False,False] Try it Yourself » A list can contain different data types: Example A list with strings, integers and boolean values: ...
Return a list of the words in the string, using sep as the delimiter string. sep The delimiter according which to split the string. None (the default value) means split according to any whitespace, and discard empty strings from the result. ...
1、list:列表 2、reverse:反向 3、true:真 4、false:假 5、append:附加 6、extend:扩展 7、insert:插入 8、pop:取出 9、remove:移除 10、del(delete):删除 11、clear:清除 12、sort:排序 八、集合 1、set:集合/设置 2、add:添加 3、update:更新 ...
def create_string_number(n):"""生成一串指定位数的字符+数组混合的字符串"""m = random.randint(1, n)a = "".join([str(random.randint(0, 9)) for _ in range(m)])b = "".join([random.choice(string.ascii_letters) for _ in range(n - m)])return ''.join(random.sample(list(a +...