Hello! I am using python for this calendar program but it doesn't work pls. help me.
Hello! I am using python for this calendar program but it doesn't work pls. help me. Thank you.
Here is the code
# Calendar Year Program (Final Version)
#initialization
terminate = False
days_in_month = (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
month_names = ('January','February','March','April','May','June','July','August','September','October','November','December')
calendar_year = []
month_separator = format(' ', '8')
blank_week = format(' ', '21')
blank_col = format(' ', '3')
# prompt for years until quit
while not terminate:
# program greeting
print('This program will display a calendar year for a given year')
# get year
year = int(input('Enter year (yyyy) (-1 to quit): '))
while (year < 1800 or year > 2099) and year != -1:
year = int(input('INVALID - Enter year (1800-2099): '))
if year == -1:
terminate = True
else:
# determine if leap year
if (year % 4 == 0) and (not(year % 100 == 0) or (year % 400 == 0)):
leap_year = True
else:
leap_year = False
# determine the day of the week
century_digits = year // 100
year_digits = year % 100
value = year_digits + (year_digits //4)
if century_digits == 18:
value = value + 2
elif century_digits == 20:
value = value + 6
# leap year check
if not leap_year:
value = value + 1
# determine the first day of the month for January 1
first_day_of_current_month = (value + 1) % 7
# construct calendar for all 12 months
for month_num in range(12):
month_name = month_names[month_num]
#init for new month
current_day = 1
if first_day_of_current_month == 0:
starting_col = 7
else:
starting_col = first_day_of_current_month
current_col = 1
calendar_week = ''
calendar_month = []
# add any needed leading space for the first week of the month
while current_col < starting_col:
calendar_week = calendar_week + blank_col
current_col = current_col + 1
# store month as separate weeks
if (month_name == 'February') and leap_year:
num_days_this_month = 29
else:
num_days_this_month = days_in_month[month_num]
while current_day <= num_days_this_month:
#store day of month in field of length 3
calendar_week = calendar_week + format(str(current_day), '>3')
# check if at last column of displayed week
if current_col == 7:
calendar_month == calendar_month + [calendar_week]
calendar_week = ''
current_col = 1
else:
current_col = current_col + 1
#increment current day
current_day = current_day + 1
#fill out final row of the month with needed blanks
calendar_week = calendar_week + blank_week[0: (7-current_col+1) * 3]
calendar_month = calendar_month + [calendar_week]
#reset values for next month
first_day_of_current_month = current_col
calendar_year = calendar_year + [calendar_month]
calendar_month = []
# print calendar year
print('\n', year, '\n')
# each row starts with January, April, July or October
for month_num in [0,3,6,9]:
# displays 3 months in each row
for i in range(month_num, month_num + 3):
print('' + format(month_names[i], '19'),
month_separator, end='')
# display each week on separate lines
week = 0
lines_to_print = True
while lines_to_print:
#init
lines_to_print = False
# another week to display for first month in row?
for k in range(month_num, month_num + 3):
if week < len(calendar_year[k]):
print(calendar_year[k][week], end='')
lines_to_print = True
else:
print(blank_week, end='')
print(month_separator, end='')
# move to the next screen line
print()
# increment week
week = week + 1
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