华中农业大学pythonpython-Day31-35.rar

#!/usr/bin/python3 from datetime import datetime import sys def is_leap(year): return year % 4 == 0 and year % 100 != 0 or year % 400 == 0 def main(): if len(sys.argv) == 3: month = int(sys.argv[1]) year = int(sys.argv[2]) else: now = datetime.now() date = now.date month = now.month year = now.year m, y = (month, year) if month >= 3 else (month + 12, year - 1) c, y = y // 100, y % 100 w = (y + y // 4 + c // 4 - 2 * c + 26 * (m + 1) // 10) % 7 month_words = [ 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December' ] print(f'{month_words[month - 1]} {year}'.center(20)) print('Su Mo Tu We Th Fr Sa') print(' ' * 3 * w, end='') days = [ [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31], [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] ][is_leap(year)][month - 1] for day in range(1, days + 1): print(str(day).rjust(2), end=' ') w += 1 if w == 7: print() w = 0 print() if __name__ == '__main__': main()