You can take advantage of using dict in order to avoid long/multiple if/elif/else
def day_of_the_week(n):
week = {'0':'Sunday',
'1':'Monday',
'2':'Tuesday',
'3':'Wednesday',
'4':'Thursday',
'5':'Friday',
'6':'Saturday'}
return week.get(n, 'Invalid number')
n = input("Enter a number 0 to 6: ")
print(f'The day of the week is {day_of_the_week(n)}')
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs