最后几个超时,我已经很压缩时间了,还是超
a,b=map(int,input().split())
for i in range(a,b+1):
m=str(i)
if len(m) !=2 and len(m)%2==0:
if len(str(b))>len(m):
i*=10
continue
else:
continue
if m == m[::-1]:
for z in range(2,int(i**0.5)+1):
if i % z == 0:
break
else:
print(i)
求巨佬们指点