8.6
----------------------
gpaa = 0
i = int(input('How many classes are you taking? '))
def GPAcalc(x, y):
    x = x.upper()
    if x == 'A':
        return 4 + y
    if x == 'B':
        return 3 + y
    if x == 'C':
        return 2 + y
    if x == 'D':
        return 1 + y
    if x == 'F':
        return 0 + y
    else:
        return 'Invalid'
for j in range(i):
    grade = input('Enter your letter grade: ')
    weight = int(input('Is it weighted? (1 = yes) '))
    gpa = GPAcalc(grade,weight)
    print('Your GPA score is: ' + str(gpa))
    gpaa = gpaa + gpa
avg = (gpaa / i)
print('Your GPA score is a ' + str(avg))


Assignment 8
---------------------------
'''Initializing'''
day = 0
month = 0
year = 0
leap = 0
left = 0
decision = 0
dayinmonth = 0
dayinyear = 365
daysleft = 0
if year % 4 == 0:
    dayinmonth = dayinmonth + 1
    leap = 1
'''Defining functions'''
def leap_year():
    if year % 4 != 0:
        leap = 0
    else:
        dayinyear = dayinyear + 1
        leap = 1
def number_of_days():
    if month == 2 and leap == 1:
        return 29
    if month == 1 or 3 or 5 or 7 or 8 or 10 or 12:
        return 31
    if month == 2 and leap != 1:
        return 28
    if month != 1 or 2 or 3 or 5 or 7 or 8 or 10 or 12:
        return 30
def days_left():
    if month == 1:
        daysleft = (dayinyear - day)
    elif month == 2:
        daysleft = (dayinyear - day - 31)
    elif month == 3:
        daysleft = (dayinyear - day - 59)
    elif month == 4:
        daysleft = (dayinyear - day - 90)
    elif month == 5:
        daysleft = (dayinyear - day - 120)
    elif month == 6:
        daysleft = (dayinyear - day - 151)
    elif month == 7:
        daysleft = (dayinyear - day - 181)
    elif month == 8:
        daysleft = (dayinyear - day - 212)
    elif month == 9:
        daysleft = (dayinyear - day - 243)
    elif month == 10:
        daysleft = (dayinyear - day - 273)
    elif month == 11:
        daysleft = (dayinyear - day - 304)
    elif month == 12:
        daysleft = (dayinyear - day - 334)
    return daysleft
'''Inputs'''
print('Please enter a date')
day = int(input('Day: '))
month = int(input('Month: '))
year = int(input('Year: '))
print(' ')
('')
decision = int(input('Menu:\n1) Calculate the number of days in the given month.\n2) Calculate the number of days left in the given year.\n'))
if decision == 1:
    print(number_of_days())
else:
    print(days_left())