Practicing-Python/WORKINGWITHDATES.py at main · techsteph1/Practicing-Python · GitHub

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"""importing the datetime module"""
import datetime


#Problem1
# defining the function

def days_in_month(year, month):
   """functiion will return the number of days in a particular month"""

   if month < 12:
       return (datetime.date(year, month+1, 1)) - (datetime.date(year, month, 1))

   else:
       return  (datetime.date(year + 1, 1, 1)  - datetime.date(year, month, 1))

#functiion will return the number of days in a particular month


print(days_in_month(2020, 11))


#Problem2
#defining the function

def date_is_valid(year, month, day):
    """the function will determine if a date is valid or not"""

    if (datetime.date(year, month <= 12, day <= 31)):
        return True

    else:
        return False

#the function will print "True" if the date is vaid and "False" if otherwise

print(date_is_valid(1995, 12, 15))


#Problem3
#defining the function 'days between':the number of days from one date to another.

def days_in_between(year1, month1, day1, year2, month2, day2):
    """function will return the number of days between two dates"""

    if  (datetime.date(year2, month2, day2)) > (datetime.date(year1, month1, day1)):
        return (datetime.date(year2, month2, day2)) - datetime.date(year1, month1, day1)

    elif (datetime.date(year1, month1, day1)) != \
         (datetime.date(datetime.MAXYEAR - datetime.MINYEAR, month1 <= 12, day1 <= 31)):
        return 0

    elif (datetime.date(year2, month2, day2)) != \
         (datetime.date(datetime.MAXYEAR - datetime.MINYEAR, month2 <= 12, day2 <= 31)):
        return 0

    elif (datetime.date(year2, month2, day2)) < (datetime.date(year1, month1, day1)):
        return 0

    else:
        return None


# the function will:
# (1)return the number of days between two given dates,
# (2)return 0 if a given date is invalid
# (3)return 0 if the second date is earier than the first date.


print(days_in_between(2008, 10, 25, 2021, 2, 25))


#Problem4
#defining the function 'age in days': number of days from a past date to today's date.

def age_in_days(year, month, day):

   """function will print the number of days between a past date and today's date"""


   if (datetime.date(datetime.MAXYEAR - datetime.MINYEAR, month <= 12, day <= 31)):
       return (datetime.date.today()) - (datetime.date(year, month, day))

   elif (datetime.date(year, month, day)) != \
        (datetime.date(datetime.MAXYEAR - datetime.MINYEAR, month <= 12, day <= 31)):
       return 0

   elif (datetime.date(year, month, day)) > (datetime.date.today()):
       return 0

   else:
       return 0


print(age_in_days(2021, 11, 15))