calendar module just extra time code example
Example 1: how to make sun as first day in calendar python
import calendar
# to set the first weekday to SUNDAY.
calendar.setfirstweekday(calendar.SUNDAY)
print(calendar.month(2020, 10 ))
Example 2: python calendar
import calendar
yio = int(input('Input a month'))
s = int(input('Input a year'))
print(calendar.month(s,yio))