有名的素MM

from math import sqrt
item=[]
for yr in [1988,1989]:
    for mth in range(1,13):
        if mth in [1,3,5,7,8,10,12]:
            for dy in range(1,32):
                item.append([str(yr),str(mth),str(dy)])
        elif mth in [4,6,9,11] :
            for dy in range(1,31):
                item.append([str(yr),str(mth),str(dy)])
        else:
            if yr==1988:
                for dy in range(1,30):
                    item.append(['','',str(dy)])
            else:
                for dy in range(1,29):
                    item.append(['','',str(dy)])#all dates in list
newlst=[]
for i in range(0,len(item)):
    if len(item[i][1])==1:
        item[i][1]=''.join(['',item[i][1]])
    if len(item[i][2])==1:
        item[i][2]=''.join(['',item[i][2]])#add 0 in
    item[i]=''.join(item[i])#combine
    item[i]=int(item[i])#shift into int
for q in item:
    flag=1
    for p in range(2,int(sqrt(q))):
        if q%p==0:
            flag=0
            break
    if flag==1:
        print(q)