Python基础——列表

    def append(self, p_object): # 无返回值，添加一个对象到最后
        """ L.append(object) -> None -- append object to end """
        pass

    def clear(self): # 无返回值，删除列表中所有项
        """ L.clear() -> None -- remove all items from L """
        pass

    def copy(self): # 返回一个浅复制列表
        """ L.copy() -> list -- a shallow copy of L """
        return []

    def count(self, value): # 返回整数——参数value在列表中的个数
        """ L.count(value) -> integer -- return number of occurrences of value """
        return 0

    def extend(self, iterable): # 无返回值，将参数iterable扩展到原列表中
        """ L.extend(iterable) -> None -- extend list by appending elements from the iterable """
        pass

    def index(self, value, start=None, stop=None): # 返回整数——参数value的第一个索引，如果不存在返回错误ValueError
        """
        L.index(value, [start, [stop]]) -> integer -- return first index of value.
        Raises ValueError if the value is not present.
        """
        return 0

    def insert(self, index, p_object): # 在索引index处，插入值p_object
        """ L.insert(index, object) -- insert object before index """
        pass

    def pop(self, index=None): # 返回索引index的值，默认index取值为列表最后一个索引
        """
        L.pop([index]) -> item -- remove and return item at index (default last).
        Raises IndexError if list is empty or index is out of range.
        """
        pass

    def remove(self, value): # 无返回值，删除列表中第一个值为value的项
        """
        L.remove(value) -> None -- remove first occurrence of value.
        Raises ValueError if the value is not present.
        """
        pass

    def reverse(self): # 反转列表中元素的排序
        """ L.reverse() -- reverse *IN PLACE* """
        pass

    def sort(self, key=None, reverse=False): # 排序列表，reverse=True时，返转排序结果
        """ L.sort(key=None, reverse=False) -> None -- stable sort *IN PLACE* """
        pass