#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 输出指定范围内的素数

# 用户输入数据
lower = int(input("输入区间最小值: "))
upper = int(input("输入区间最大值: "))

for num in range(lower,upper + 1):
    # 素数大于 1
    if num > 1:
        for i in range(2,num):
            if (num % i) == 0:
                break
        else:
            print(num)

输入区间最小值: 1
输入区间最大值: 100
2
3
5
7
11
13
17
19
23
29
31
37
41
43
47
53
59
61
67
71
73
79
83
89
97