כתבתי קוד קטן של יומן יש הערות לשיפור או משהו? וביקורת עליו?

import datetaime as dt
writer = input('Pls enter your name: ')
if 6 <= time.hour <= 12:
part_of_day = 'Morning'

elif 12 < time.hour < 18:
part_of_day = 'Afternoon'

elif 18 <= time.hour <= 20:
part_of_day = 'Evening'

elif time.hour > 21 or time.hour < 6:
part_of_day = 'Night'



def Dear_diary():
print(f'hello {writer}, good {part_of_day}, do you Want to tell me something? ')
writer_answer = input('')
if 'sad' in writer_answer:
print('Dont be sad everything will pass, Im here if you need to talk')
if 'happy' in writer_answer:
print('If youre happy Im happy')

Dear_diary()