Python作业，求解答

import math

# 1
def prime(n):
    if n == 1:
        return False
    tmp = int(math.sqrt(n))
    for i in range(2, tmp+1):
        if n % i == 0:
            return False
    return True

# 2
for i in range(100):
    if prime(i) and i % 10 == 3:
        print(i)