计算闰年函数

 

def year(i=None):
    import time
    tm_year=time.gmtime().tm_year
    
    if i ==None:
        i=tm_year
        
    if i%400==0 or (i%4==0 and i%100!=0):
        print(("%s是闰年")%i)
    else:
        print(("%s不是闰年")%i)
 
    
   
year()