To display calendar of a year here,we are using a calendar function and to display a particular month of a year ,we are using a month function from calendar module of python.
#import the calender module
import calendar
print("To display a calender of given month")
yy=int(input("Enter a year"))
mm=int(input("Enter a month to be display"))
print(calendar.month(yy,mm)) #Month module display the calender of given month of given year
print("To display a calender of given year")
yy1=int(input("Enter a year"))
print(calendar.calendar(yy1)) # Display module display the calender of given year