def addMonth():
    year = input('enter a year')
    month = input('enter start month')
    month1 = input('enter end month')
    Month.append(year, month, month1)

ac48863bd589becbc26953d3ba007a628117fe80
<mask token>

def addMonth():
    year = input('enter a year')
    month = input('enter start month')
    month1 = input('enter end month')
    Month.append(year, month, month1)
