Kierros 8 teht 1

import datetime

def convert_date_text_to_datetime_object(date_as_text):
    "Returns a datetime.date object converted from string 'date_as_text'."
    date_as_list = date_as_text.split(".")
    day, month, year = [int(part) for part in date_as_list]
    return datetime.date(year, month, day)
def print_file_contents(name_of_the_file):
    "Prints the contents of the file with the name 'name_of_the_file'. Make sure the file is not still open elsewhere before calling this function."
    file = open(name_of_the_file, 'r')
    line = file.readline()
    while line != '':
        print(line, end='')
        line = file.readline()
    file.close()
def main():
    print("Enter the name of the file to be created for your screen time data:")
    filename = input()
    file = open(filename, 'w')
    print("Enter the start date in format 'DD.MM.YYYY':")
    date_text = input()
    date1 = convert_date_text_to_datetime_object(date_text)

    # Write your code here!
    print("Enter your screen watching time for each day (in minutes) in the format '[Phone minutes] [PC minutes] [TV minutes] [other minutes]'")
    Maarat_summa = 0
    temp = 0
    while True:
        Maara = input("Enter your screen time on {}:".format(date1))
        if Maara == "":
            break
        Maarat = Maara.split(" ")
        date2 = str(date1)
        rivi = date2 + ": " + "/".join(Maarat)
        file.write(rivi + "\n")
        j = 1
        for i in range(0, len(Maarat)):
            Maarat[i] = float(Maarat[i])
        Maarat_summa = Maarat_summa + sum(Maarat)
        temp += 1
        date1 = date1 + datetime.timedelta(days=1)
    # (You can write other functions if you find it of use)
    print("-" * 100)
    print("Screen times saves succesfully in the file '{}'".format(filename))
    print("Saved the screen times of", temp, "days.")
    if temp != 0:
        print("Total screen time from this period is",round(Maarat_summa/60, 1) ,"hours and daily average is",round((Maarat_summa/60)/temp, 1),"hours.")
    print("Let's look inside the file. It looks as follows:")
    print("-" * 100)
    file.close()
    print_file_contents(filename)

main()