from datetime import datetime
class Meeting:
def __init__(self, start_time, end_time):
self.start_time = start_time
self.end_time = end_time
>>> meeting = Meeting(datetime(2018, 8, 1, 9, 0, 0), datetime(2018, 8, 1, 11,
0, 0))
>>> print(meeting.start_time)
2018-08-01 09:00:00
>>> print(meeting.end_time)
2018-08-01 11:00:00
Пошаговое объяснение:
def check_availability(meetings, proposed_time):
meeting_start = Meeting.datetime.start_time.hour
meeting_end = Meeting.datetime.end_time.hour
ok_time = datetime.proposed_time.hour
if meeting_start < ok_time < meeting_end:
return True
else:
return False
meetings = [Meeting(datetime(2018, 8, 1, 9, 0, 0), datetime(2018, 8, 1, 11,
0, 0)), Meeting(datetime(2018, 8, 1, 15, 0, 0), datetime(2018, 8, 1, 16, 0,
0)), Meeting(datetime(2018, 8, 2, 9, 0, 0), datetime(2018, 8, 2, 10, 0, 0))]
print(check_availability(meetings, datetime(2018, 8, 1, 12, 0, 0)))
print(check_availability(meetings, datetime(2018, 8, 1, 10, 0, 0)))
Пошаговое объяснение:
1)(4.5x + 3.6)*(-16.6)=0
-74.7x - 59.76=0
74.7x=-59.76
x=-0.8
2)(1.2x + 16.8) * (-13.1)=0
-15.72x - 15.72=0
x=-1
3)-32.7*(0.1x + 6.3)=0
-3.27x - 206.01=0
3.27x=-206.01
x=-63
4)-15 1/13 * (1.9x + 5.7)=0
-196/13*(19/10x + 57/10)=0
-3724/130x - 11172/130=0
3724/130x=-11172/130
x=3
Там где через / это дробь помноженная на х