input: Write a python function to print the calendar for a given month and year using the calendar module.
  assert print_calendar(2020, 8) == calendar.month(2020, 8)
  assert print_calendar(2021, 5) == calendar.month(2021, 5)
  assert print_calendar(1999, 12) == calendar.month(1999, 12)
output: import calendar
  
  def print_calendar(year, month):
      return calendar.month(year, month)