Python获取上一个月的天数详解编程语言

[Python]代码    

#简单小程序 
from datetime import datetime 
import calendar 
 
def getMonths(): 
    d = datetime.now() 
    c = calendar.Calendar() 
     
    year = d.year 
    month = d.month 
     
    if month == 1 : 
        month = 12 
        year -= 1 
    else : 
        month -= 1 
    months = calendar.monthrange(year, month)[1]     
    return months