Question

How do you do this?

class Event:
"""A new calendar event."""

def __init__(self, start_time: int, end_time: int, event_name: str) -> None:
"""Initialize a new event that starts at start_time, ends at end_time,
and is named name.

Precondition: 0 <= start_time < end_time <= 23

>>> e = Event(12, 13, 'Lunch')
>>> e.start_time
12
>>> e.end_time
13
>>> e.name
'Lunch'
"""
  
self.start_time = start_time
self.end_time = end_time
self.name = event_name

def __str__(self) -> str:
"""Return a string representation of this event.

>>> e = Event(6, 7, 'Run')
>>> str(e)
'Run: from 6 to 7'
"""
  
return '{0}: from {1} to {2}'.format(self.name, self.start_time,
self.end_time)

class Day:
"""A calendar day and its events."""

def __init__(self, day: int, month: str, year: int) -> None:
"""Initialize a day on the calendar with day, month and year,
and no events.

>>> d = Day(5, 'April', 2014)
>>> d.day
5
>>> d.month
'April'
>>> d.year
2014
>>> d.events
[]
"""

# To do: Complete this method body.

Answer 1

Code:

class Event:

    """A new calendar event."""

    def __init__(self, start_time: int, end_time: int, event_name: str) -> None:

        """Initialize a new event that starts at start_time, ends at end_time,

        and is named name.

        Precondition: 0 <= start_time < end_time <= 23

        >>> e = Event(12, 13, 'Lunch')

        >>> e.start_time

        12

        >>> e.end_time

        13

        >>> e.name

        'Lunch'

        """

        self.start_time = start_time

        self.end_time = end_time

        self.name = event_name

    def __str__(self) -> str:

        """Return a string representation of this event.

        >>> e = Event(6, 7, 'Run')

        >>> str(e)

        'Run: from 6 to 7'

        """

        return '{0}: from {1} to {2}'.format(self.name, self.start_time, self.end_time)

class Day:

    """A calendar day and its events."""

    def __init__(self, day: int, month: str, year: int) -> None:

        """Initialize a day on the calendar with day, month and year,

        and no events.

        >>> d = Day(5, 'April', 2014)

        >>> d.day

        5

        >>> d.month

        'April'

        >>> d.year

        2014

        >>> d.events

        []

       """

        self.day = day

        self.month = month

        self.year = year

        self.events = []

       

       

    def ScheduleEvent(self, e: "Event") -> None:

        """Schedule new_event on this day, even if it overlaps with

        an existing event. Later we will improve this method.

        >>> d = Day(5, 'April', 2014)

        >>> e = Event(6, 7, 'Run')

        >>> d.schedule_event(e)

        >>> d.events[0] == e

        True

        """

        self.events.append(e)

    def __str__(self) -> str:

        """Return a string representation of this day.

        >>> d = Day(4, 'April', 2014)

        >>> d.schedule_event(Event(12, 13, 'Lunch'))

        >>> d.schedule_event(Event(6, 7, 'Run'))

        >>> print(d)

        4 April 2014:

        - Lunch: from 12 to 13

        - Run: from 6 to 7

        """

        outputStr = "{:d} {:s} {:d}".format(self.day, self.month, self.year)

        for e in self.events:

          outputStr += "\n- {:s}".format(str(e))

        return outputStr

Output: