class ProgramInternalForm:

    def __init__(self):
        self.__list = []

    def add(self, content, id):
        self.__list.append((content, id))

    def __str__(self):
        return str(self.__list)

8e216d7d75fc6a173d380c19d21d0cb8eb998308
class ProgramInternalForm:
    <mask token>
    <mask token>
    <mask token>

class ProgramInternalForm:
    <mask token>

    def add(self, content, id):
        self.__list.append((content, id))
    <mask token>

class ProgramInternalForm:

    def __init__(self):
        self.__list = []

    def add(self, content, id):
        self.__list.append((content, id))
    <mask token>

class ProgramInternalForm:

    def __init__(self):
        self.__list = []

    def add(self, content, id):
        self.__list.append((content, id))

    def __str__(self):
        return str(self.__list)
