def get_weekdays(calendar_output):
    """Receives a multiline Unix cal output and returns a mapping (dict) where
       keys are int days and values are the 2 letter weekdays (Su Mo Tu ...)"""

    weekdays = {}

    # list of cal lines in multi line input
    cal_lines = calendar_output.split('\n')
    # print(cal_lines)
    cal_keys = [(l[0:2], l[3:5], l[6:8], l[9:11], l[12:14],
                 l[15:17], l[18:20]) for l in cal_lines[2:-1]]

    # print(cal_keys)

    cal_days = cal_lines[1].split()
    # print(cal_days)

    return {int(k[i].strip()): cal_days[i] for k in cal_keys for i in range(7) if k[i].strip() != ''}


def main():

    for num in range(0, 10):
        print(num)

    print('nishant')


if __name__ == "__main__":
    main()
