Someone

import datetimeimport timeimport calendardef cal(year, month):        first_day = 1 # monday = firstday        first_of_month = datetime.date(year, month, 1)        day_names = []        n = 0        t = (3 + first_day) * 86400        while n < 7:                day_names.append(time.strftime('%A', time.gmtime(t)))                n += 1                t += 86400        arr = first_of_month.strftime('%m,%Y,%B,%w').split(',')        weekday = (int(arr[3]) + 7 - first_day) % 7        if calendar.isleap(year):                feb = 29        else:                feb = 28        days_in_month = [31, feb, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]        day = 1        dim = days_in_month[month - 1]        d = []        tmp = []        if weekday > 0:                for i in range(weekday):                        tmp.append(0)        while day <= dim:                if weekday == 7:                        weekday = 0                        d.append(tmp)                        tmp = []                tmp.append(day)                day += 1                weekday += 1        d.append(tmp)        print d