backup.py

# Python code to print Calendar Without use of Calendar module
# Only for checking Purpose. Remove From Final Package


month_list = {1: 'January', 2: 'February', 3: 'March', 4: 'April', 5: 'May', 6: 'June', 7: 'July', 8: 'August',
              9: 'September', 10: 'October', 11: 'November', 12: 'December'}

days_list = ["SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"]

mon_leap = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
mon_days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]


def leap_check(x, y):  # x - year y - month
    """Checks if the year is leap or not for february month"""
    # m = 0
    if x % 4 == 0:
        if x % 100 == 0:
            if x % 400 == 0:
                m = mon_leap[y-1]   # leap = 1  # Year is leap, follow mon_leap
            else:
                m = mon_days[y-1]  # leap = 0  # leap is false, follow mon_days
        else:
            m = mon_leap[y-1]   # leap = 1  # Year is leap, follow mon_leap
    else:
        m = mon_days[y-1]  # leap = 0  # leap is false, follow mon_days

    return m


mm = int(input("Enter month:"))
yy = int(input("Enter year :"))

# code below for calculation of odd days
day = (yy - 1) % 400
day = (day // 100) * 5 + ((day % 100) - (day % 100) // 4) + ((day % 100) // 4) * 2
day = day % 7

s = 0

if yy % 4 == 0:
    for i in range(mm - 1):
        s += mon_leap[i]
else:
    for i in range(mm - 1):
        s += mon_days[i]

day += s % 7
day = day % 7

# variable used for white space filling
# where date not present
space = ''
space = space.rjust(2, ' ')

# code below is to print the calendar
print(month_list[mm], yy)

tr = " "
print(tr.join(days_list))
# print('SUN', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa')


for i in range(leap_check(yy, mm) + day):
    if i <= day:
        print(space, end='  ')
    else:
        print("{:02d}".format(i - day), end='  ')
        if (i + 1) % 7 == 0:
            print()