Como converter 24 horas para 12 horas em python

from datetime import datetime
d = datetime.strptime("10:30", "%H:%M")
print(d.strftime("%I:%M %p")) # outputs '10:30 AM'
d = datetime.strptime("22:30", "%H:%M")
print(d.strftime("%I:%M %p")) # outputs'10:30 PM'
The Great Carlos