Age CalCulator Python Project

from datetime import datetime

current=datetime.date(datetime.now())

data=str(current).split('-')

print(f"Current Date:{current}")

current_year=int(data[0])
current_month=int(data[1])
current_day=int(data[2])


thirty_first_days_month=[1,3,5,7,8,10,12]
thirty_days_month=[9,4,6,11]
twenty_days_month=[2]


def ageCalCulator(year,month,day):
    #if year less than curren_year and month equal to current month and day equal to current day
    if (year<current_year and month==current_month and day==current_day and month<=12):
        total_year=current_year-year
        total_month=(current_month+12)-(month+1)
        total_day=current_day-day
        print(f"you are {total_year} years {total_month} months and {total_day} days old")

    #if month is equal to current month but day is less than current day
    if (year<current_year and month==current_month and day<current_day and month<=12):
        total_year=current_year-year
        total_month=(current_month+12)-(month+1)
        total_day=current_day-day
        print(f"you are {total_year} years {total_month} months and {total_day} days old")

    #if year less than current year and month less than current month and day less than current day
    if (year<current_year and month<current_month and day<current_day and month<=12):
        total_year=current_year-year
        total_month=current_month-month
        total_day=current_day-day
        print(f"you are {total_year} years {total_month} months and {total_day} days old")

    #if year less than current year and month less than current month and day greater than current day
    if (year<current_year and month<current_month and day>current_day and month<=12):
        total_year=current_year-year
        total_month=(current_month-1)-month

        if month in thirty_days_month:
            total_day=(current_day+30)-day
        if month in thirty_first_days_month:
            total_day=(current_day+31)-day
        if month in twenty_days_month:
            total_day=(current_day+30)-day
        print(f"you are {total_year} years {total_month} months and {total_day} days old")

    #if year less than current year and month less than current month and day equal to current day
    if (year<current_year and month<current_month and day==current_day and month<=12):
        total_year=current_year-year
        total_month=(current_month-1)-month
        total_day=current_day-day

        print(f"you are {total_year} years {total_month} months and {total_day} days old")

    #if both month and day greater than current day
    if (year<current_year and month>current_month and day>current_day and month<=12):
        total_year=(current_year-1)-year
        total_month=(current_month+12)-(month+1)

        if month in thirty_days_month:
            total_day=(current_day+30)-day
        if month in thirty_first_days_month:
            total_day=(current_day+31)-day
        if month in twenty_days_month:
            total_day=(current_day+30)-day

        print(f"you are {total_year} years {total_month} months and {total_day} days old")

    if month>12 or day >31:
        print("Wrong Data input")

def main():
    try:
        birth_year=int(input("Enter Birth Year:"))
        birth_month=int(input("Enter Birth Month:"))
        birth_day=int(input("Enter Birth Day:"))
        ageCalCulator(birth_year,birth_month,birth_day)
    except ValueError:
        print("Wrong input start again?(y/n)")
        op=input()
        if op.lower()=='y':
            main()
        else:
            exit()


if __name__=="__main__":
    main()