Calendar program

[louienyy]

This is my assignment
calendar program that allows the user to enter a day, month, and year in three separate variables as shown below.

Please enter a date
Day:
Month:
Year:
Then, ask the user to select from a menu of choices using this formatting:

Menu:
1) Calculate the number of days in the given month.
2) Calculate the number of days left in the given year.

this is what i have come up with but it doesn't work properly i've tried everything i can think off or have learned.

def number_of_days(m):
    if (m == 1,3,5,7,8,9,11):
        woh = 31
    elif (m == 2):
        woh = 28
    elif (m == 4,6,10,12):
        woh = 30
    print (woh)

def days_left(d,m,y):
    if (d > 0):
        print ('135')
def leap_year(d,m,y):
    if (d > 0):
        print ('1')
    
day = int(input('Enter the day:'))
month = int(input('Enter the month:'))
year = int(input('Enter the year:'))
menu = int(input('1) Calculate the number of days in a given month or 2) Calculate the number of Day left in year? (1,2)'))
if (menu == 1):
    monthdays = number_of_days(month)
    print (monthdays)
elif (menu == 2):
    dayleft = days_left(day,month,year)
    print (dayleft)

when i run this it asks all the right questions but doesn't calculate properly?
Any help would be appreciated

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Thank You this is my first time posting here i will read the document

[SheeppOSU]

First I'd like the point out that days_left doesn't return anything. Next, I don't understand why the function just prints "135". Other than that, to calculate how many days are left, you need to use the number_of_days function. So, make a for loop that iterates from range(m+1, 13), if the month is not 12, and adds up the amount of days into a variable. Then add the amount of days left in the current month to the variable. Also, for the number_of_days function, you'll need to check whether or not the year is a leap year, and if so, then if m=2, return 29 rather than 28. I explained it, so now you just need to put it all together into some code.

[louienyy]

Wow that's a lot thank you. I will start working on it now