本程序会从1～n中随机取m个数，其中1<=m<=n

m_n.py

#!/usr/bin/python
#coding:utf-8
#author:byron
#blog:http://jiabin.tk

import random
def m_n():
	print("本程序会从1～n中随机取m个数，1<=m<=n")
	n = int(input("输入n的值："))
	m = int(input("输入m的值："))
	if 1 <= m <= n:
		random_num = random.sample(list(range(1,n+1)),m)
		print(random_num)
	else:
		print("="*40)
		print('请确认1<=m<=n')
		print('='*40)
		m_n()
m_n()