Python| 素数

from math import *
n=int(input("请输入n："))
m=int(sqrt(n))
p=[i for i in range(n+1)]
for i in range(2,m+1):
    if p[i]:
        for j in range(2*i,n+1,i):
            p[j]=0
for i in range (2,n+1):
    if p[1]:
         print(p[i])