基于元组，根据月份，计算天数．（Python）

"""
    根据月份，计算天数．
"""

# month = int(input("请输入月份:"))
# if month < 1 or month > 12:
#     print("输入有误")
# elif month == 2:
#     print("28天")
# # elif month == 4 or month == 6 or month == 9 or month == 11:
# elif month in (4,6,9,11):
#     print("30天")
# else:
#     print("31天")

month = int(input("请输入月份:"))
if month < 1 or month > 12:
    print("输入有误")
else:
    # 将每月的天数，存入元组．
    day_of_month = (31,28,31,30,31,30,31,31,30,31,30,31)
    print(day_of_month[month - 1])

输出：

请输入月份:6
30