we have to implement the str__ method.. can you please help. thanks so much!

this will help for __str__ method for Grouping Class.

we want to complete the #todo for str__ in Grouping class. thanks

Grouping _str_0 class Grouping A collection of groups === Private Attributes === _groups: a list of Groups === Representation Invariants === No group in _groups contains zero members No student appears in more than one group in _groups _groups: List[Group] - def __init__(self) -> None: *** Initialize a Grouping that contains zero groups self._groups = [] def _len_(self) -> int: ***** Return the number of groups in this grouping *** return len(self._groups) o det def _len_(self) -> int: Return the number of groups in this grouping return len(self._groups) of def _str_(self) -> str: Return a multi-Line string that includes the names of all of the members of all of the groups in None: ***Initialize a group with members "" self._members = members I def _len_(self) -> int: "*" Return the number of members in this group" return len(self._members) som of def _contains_(self, member: Student) -> bool: class Group: A group of one or more students SE Private Attributes se members; a list of unique students in this group - Representation Invariants ses No to students in members have the same id members: List[Student] definit (self, members: List[Student)) -> None: Initialize a group with members int: **** Return the number of members in this group return len(self._members) def_contains (self, member: Student) -> bool: Return True iff this group contains a member with the same id as str: Return a string containing the names of all members in this gre on a single line. You can choose the precise format of this string, str_members = [] for member in self._members: str_members.append(str(member)) return " ".join(str_members) def get_members(self) -> List[Student] Return a list of members in this group. This list should be shallow copy of the self._members attribute. m = self._members[:] return m 356 359 35e 351 362 class Grouping: A collection of groups === Private Attributes === _groups: a list of Groups Representation Invariants - No group in _groups containero members No student appears in more than one group in groups groups: List[Group] def _init__(self) -> None: *** Initialize a Grouping that contains zero groups ** self._groups - [] _groups: List[Group] definit__(self) -> None: ** Initialize a Grouping that contains zero groups *** self._groups = [] def _len_(self) -> int: ****Return the number of groups in this grouping return len(self._groups) def str_(self) -> str: Return a multi-line string that includes the names of all of the members of all of the groups in . Each line should contain the names of members for a single group. You can choose the precise format of this string. todo