import calendar

# 获取日历
cal = calendar.month(2018, 5)
print(cal)
"""
      May 2018
Mo Tu We Th Fr Sa Su
    1  2  3  4  5  6
 7  8  9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
"""

# 判断闰年
ret = calendar.isleap(2012)
print(ret)
# True